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797969797 = 2334694339
BaseRepresentation
bin101111100100000…
…000110110000101
32001121112001202221
4233210000312011
53113240013142
6211103132341
725526426362
oct5744006605
92047461687
10797969797
1137a484579
121a32a40b1
13c9421aa1
1477d9b469
154a0c5767
hex2f900d85

797969797 has 4 divisors (see below), whose sum is σ = 832664160. Its totient is φ = 763275436.

The previous prime is 797969773. The next prime is 797969801.

It is a happy number.

797969797 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-797969797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797969747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17347147 + ... + 17347192.

It is an arithmetic number, because the mean of its divisors is an integer number (208166040).

Almost surely, 2797969797 is an apocalyptic number.

It is an amenable number.

797969797 is a deficient number, since it is larger than the sum of its proper divisors (34694363).

797969797 is a wasteful number, since it uses less digits than its factorization.

797969797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34694362.

The product of its digits is 94517766, while the sum is 70.

The square root of 797969797 is about 28248.3591912876. The cubic root of 797969797 is about 927.5318208702.

The spelling of 797969797 in words is "seven hundred ninety-seven million, nine hundred sixty-nine thousand, seven hundred ninety-seven".

Divisors: 1 23 34694339 797969797