97086890625 has 56 divisors (see below), whose sum is σ = 164866639680. Its totient is φ = 50801400000.

The previous prime is 97086890597. The next prime is 97086890633. The reversal of 97086890625 is 52609868079.

It is a happy number.

It is not a de Polignac number, because 97086890625 - 2⁷ = 97086890497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2464836 + ... + 2503914.

Almost surely, 2^97086890625 is an apocalyptic number.

It is an amenable number.

97086890625 is a deficient number, since it is larger than the sum of its proper divisors (67779749055).

97086890625 is an frugal number, since it uses more digits than its factorization.

97086890625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39165 (or 39140 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 97086890625 in words is "ninety-seven billion, eighty-six million, eight hundred ninety thousand, six hundred twenty-five".