97980256 has 24 divisors (see below), whose sum is σ = 210435624. Its totient is φ = 44536320.

The previous prime is 97980229. The next prime is 97980257. The reversal of 97980256 is 65208979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97980257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138825 + ... + 139528.

It is an arithmetic number, because the mean of its divisors is an integer number (8768151).

Almost surely, 2^97980256 is an apocalyptic number.

It is an amenable number.

97980256 is an abundant number, since it is smaller than the sum of its proper divisors (112455368).

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

97980256 is a wasteful number, since it uses less digits than its factorization.

97980256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278374 (or 278366 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 97980256 is about 9898.4976637872. The cubic root of 97980256 is about 461.0126650671.

The spelling of 97980256 in words is "ninety-seven million, nine hundred eighty thousand, two hundred fifty-six".