97865625599 has 4 divisors (see below), whose sum is σ = 111846429264. Its totient is φ = 83884821936.

The previous prime is 97865625503. The next prime is 97865625617. The reversal of 97865625599 is 99552656879.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97865625599 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 (97865625799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6990401822 + ... + 6990401835.

It is an arithmetic number, because the mean of its divisors is an integer number (27961607316).

Almost surely, 2^97865625599 is an apocalyptic number.

97865625599 is a deficient number, since it is larger than the sum of its proper divisors (13980803665).

97865625599 is a wasteful number, since it uses less digits than its factorization.

97865625599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980803664.

The product of its digits is 367416000, while the sum is 71.

The spelling of 97865625599 in words is "ninety-seven billion, eight hundred sixty-five million, six hundred twenty-five thousand, five hundred ninety-nine".