97826569 has 16 divisors (see below), whose sum is σ = 102021120. Its totient is φ = 93759120.

The previous prime is 97826549. The next prime is 97826579. The reversal of 97826569 is 96562879.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97826569 - 2¹⁹ = 97302281 is a prime.

It is a super-2 number, since 2×97826569² = 19140075204623522, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (1632960) is a multiple of the sum of its prime divisors (420).

It is not an unprimeable number, because it can be changed into a prime (97826549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600082 + ... + 600244.

It is an arithmetic number, because the mean of its divisors is an integer number (6376320).

Almost surely, 2^97826569 is an apocalyptic number.

It is an amenable number.

97826569 is a deficient number, since it is larger than the sum of its proper divisors (4194551).

97826569 is a wasteful number, since it uses less digits than its factorization.

97826569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its digits is 1632960, while the sum is 52.

The square root of 97826569 is about 9890.7314694111. The cubic root of 97826569 is about 460.7714983482.

The spelling of 97826569 in words is "ninety-seven million, eight hundred twenty-six thousand, five hundred sixty-nine".