97628288 has 16 divisors (see below), whose sum is σ = 194494110. Its totient is φ = 48814080.

The previous prime is 97628287. The next prime is 97628309. The reversal of 97628288 is 88282679.

It can be written as a sum of positive squares in only one way, i.e., 74511424 + 23116864 = 8632^2 + 4808^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (97628281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381233 + ... + 381488.

Almost surely, 2^97628288 is an apocalyptic number.

It is an amenable number.

97628288 is a deficient number, since it is larger than the sum of its proper divisors (96865822).

97628288 is an equidigital number, since it uses as much as digits as its factorization.

97628288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762735 (or 762723 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 97628288 is about 9880.7028090111. The cubic root of 97628288 is about 460.4599809686.

The spelling of 97628288 in words is "ninety-seven million, six hundred twenty-eight thousand, two hundred eighty-eight".