97188251896 has 32 divisors (see below), whose sum is σ = 183581424000. Its totient is φ = 48234332160.

The previous prime is 97188251893. The next prime is 97188251921. The reversal of 97188251896 is 69815288179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97188251893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623161 + ... + 763351.

It is an arithmetic number, because the mean of its divisors is an integer number (5736919500).

Almost surely, 2^97188251896 is an apocalyptic number.

It is an amenable number.

97188251896 is a deficient number, since it is larger than the sum of its proper divisors (86393172104).

97188251896 is a wasteful number, since it uses less digits than its factorization.

97188251896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140839 (or 140835 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 64.

The spelling of 97188251896 in words is "ninety-seven billion, one hundred eighty-eight million, two hundred fifty-one thousand, eight hundred ninety-six".