97951776 has 48 divisors (see below), whose sum is σ = 276905664. Its totient is φ = 30138624.

The previous prime is 97951757. The next prime is 97951781. The reversal of 97951776 is 67715979.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37996 + ... + 40491.

It is an arithmetic number, because the mean of its divisors is an integer number (5768868).

Almost surely, 2^97951776 is an apocalyptic number.

97951776 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97951776 is an abundant number, since it is smaller than the sum of its proper divisors (178953888).

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

97951776 is a wasteful number, since it uses less digits than its factorization.

97951776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78513 (or 78505 counting only the distinct ones).

The product of its digits is 833490, while the sum is 51.

The square root of 97951776 is about 9897.0589570842. The cubic root of 97951776 is about 460.9679930975.

The spelling of 97951776 in words is "ninety-seven million, nine hundred fifty-one thousand, seven hundred seventy-six".