97772328 has 48 divisors (see below), whose sum is σ = 278740800. Its totient is φ = 30875040.

The previous prime is 97772303. The next prime is 97772329. The reversal of 97772328 is 82327779.

It is not an unprimeable number, because it can be changed into a prime (97772329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34368 + ... + 37103.

It is an arithmetic number, because the mean of its divisors is an integer number (5807100).

Almost surely, 2^97772328 is an apocalyptic number.

It is an amenable number.

97772328 is an abundant number, since it is smaller than the sum of its proper divisors (180968472).

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

97772328 is a wasteful number, since it uses less digits than its factorization.

97772328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71502 (or 71495 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 97772328 is about 9887.9890776639. The cubic root of 97772328 is about 460.6863226892.

The spelling of 97772328 in words is "ninety-seven million, seven hundred seventy-two thousand, three hundred twenty-eight".