97751013720 has 32 divisors (see below), whose sum is σ = 293253041520. Its totient is φ = 26066936960.

The previous prime is 97751013707. The next prime is 97751013721. The reversal of 97751013720 is 2731015779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97751013721) 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, 407295771 + ... + 407296010.

Almost surely, 2^97751013720 is an apocalyptic number.

It is an amenable number.

97751013720 is an abundant number, since it is smaller than the sum of its proper divisors (195502027800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97751013720 is a wasteful number, since it uses less digits than its factorization.

97751013720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814591795 (or 814591791 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 42.

The spelling of 97751013720 in words is "ninety-seven billion, seven hundred fifty-one million, thirteen thousand, seven hundred twenty".