97925810761 has 3 divisors (see below), whose sum is σ = 97926123693. Its totient is φ = 97925497830.

The previous prime is 97925810743. The next prime is 97925810789. The reversal of 97925810761 is 16701852979.

It is a happy number.

The square root of 97925810761 is 312931.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 97925810761 - 2⁵ = 97925810729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97925810701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 156466 + ... + 469396.

It is an arithmetic number, because the mean of its divisors is an integer number (32642041231).

Almost surely, 2^97925810761 is an apocalyptic number.

97925810761 is the 312931-st square number.

97925810761 is the 156466-th centered octagonal number.

It is an amenable number.

97925810761 is a deficient number, since it is larger than the sum of its proper divisors (312932).

97925810761 is an frugal number, since it uses more digits than its factorization.

97925810761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625862 (or 312931 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 97925810761 in words is "ninety-seven billion, nine hundred twenty-five million, eight hundred ten thousand, seven hundred sixty-one".