97739565 has 96 divisors (see below), whose sum is σ = 201734400. Its totient is φ = 40360320.

The previous prime is 97739563. The next prime is 97739567. The reversal of 97739565 is 56593779.

It is an interprime number because it is at equal distance from previous prime (97739563) and next prime (97739567).

It is not a de Polignac number, because 97739565 - 2¹ = 97739563 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97739563) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 622467 + ... + 622623.

It is an arithmetic number, because the mean of its divisors is an integer number (2101400).

Almost surely, 2^97739565 is an apocalyptic number.

It is an amenable number.

97739565 is an abundant number, since it is smaller than the sum of its proper divisors (103994835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97739565 is a wasteful number, since it uses less digits than its factorization.

97739565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 183 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 51.

The square root of 97739565 is about 9886.3322319250. The cubic root of 97739565 is about 460.6348590746.

The spelling of 97739565 in words is "ninety-seven million, seven hundred thirty-nine thousand, five hundred sixty-five".