79519802 has 4 divisors (see below), whose sum is σ = 119279706. Its totient is φ = 39759900.

The previous prime is 79519799. The next prime is 79519831. The reversal of 79519802 is 20891597.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77774761 + 1745041 = 8819^2 + 1321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79519802.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19879949 + ... + 19879952.

Almost surely, 2^79519802 is an apocalyptic number.

79519802 is a deficient number, since it is larger than the sum of its proper divisors (39759904).

79519802 is a wasteful number, since it uses less digits than its factorization.

79519802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39759903.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 79519802 is about 8917.3876219440. The cubic root of 79519802 is about 430.0230779033.

The spelling of 79519802 in words is "seventy-nine million, five hundred nineteen thousand, eight hundred two".