97681115625 has 48 divisors (see below), whose sum is σ = 164621963520. Its totient is φ = 51510800000.

The previous prime is 97681115617. The next prime is 97681115629. The reversal of 97681115625 is 52651118679.

It is not a de Polignac number, because 97681115625 - 2³ = 97681115617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97681115629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775840 + ... + 892910.

It is an arithmetic number, because the mean of its divisors is an integer number (3429624240).

Almost surely, 2^97681115625 is an apocalyptic number.

It is an amenable number.

97681115625 is a deficient number, since it is larger than the sum of its proper divisors (66940847895).

97681115625 is an equidigital number, since it uses as much as digits as its factorization.

97681115625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117188 (or 117168 counting only the distinct ones).

The product of its digits is 907200, while the sum is 51.

The spelling of 97681115625 in words is "ninety-seven billion, six hundred eighty-one million, one hundred fifteen thousand, six hundred twenty-five".