97585917 has 16 divisors (see below), whose sum is σ = 152862528. Its totient is φ = 54593280.

The previous prime is 97585907. The next prime is 97585927. The reversal of 97585917 is 71958579.

It is an interprime number because it is at equal distance from previous prime (97585907) and next prime (97585927).

It is not a de Polignac number, because 97585917 - 2¹⁴ = 97569533 is a prime.

It is a super-2 number, since 2×97585917² = 19046022393461778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97585917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97585907) 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, 113308 + ... + 114165.

It is an arithmetic number, because the mean of its divisors is an integer number (9553908).

Almost surely, 2^97585917 is an apocalyptic number.

It is an amenable number.

97585917 is a deficient number, since it is larger than the sum of its proper divisors (55276611).

97585917 is a wasteful number, since it uses less digits than its factorization.

97585917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227500.

The product of its digits is 793800, while the sum is 51.

The square root of 97585917 is about 9878.5584474659. The cubic root of 97585917 is about 460.3933576110.

The spelling of 97585917 in words is "ninety-seven million, five hundred eighty-five thousand, nine hundred seventeen".