97571976 has 32 divisors (see below), whose sum is σ = 258279840. Its totient is φ = 30610688.

The previous prime is 97571917. The next prime is 97571977. The reversal of 97571976 is 67917579.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (97571977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119166 + ... + 119981.

It is an arithmetic number, because the mean of its divisors is an integer number (8071245).

Almost surely, 2^97571976 is an apocalyptic number.

It is an amenable number.

97571976 is an abundant number, since it is smaller than the sum of its proper divisors (160707864).

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

97571976 is a wasteful number, since it uses less digits than its factorization.

97571976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239173 (or 239169 counting only the distinct ones).

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

The square root of 97571976 is about 9877.8528031147. The cubic root of 97571976 is about 460.3714328304.

The spelling of 97571976 in words is "ninety-seven million, five hundred seventy-one thousand, nine hundred seventy-six".