97528866 has 32 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 31847760.

The previous prime is 97528853. The next prime is 97528877. The reversal of 97528866 is 66882579.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75615 + ... + 76893.

It is an arithmetic number, because the mean of its divisors is an integer number (6220800).

Almost surely, 2^97528866 is an apocalyptic number.

97528866 is an abundant number, since it is smaller than the sum of its proper divisors (101536734).

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

97528866 is a wasteful number, since it uses less digits than its factorization.

97528866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its digits is 1451520, while the sum is 51.

The square root of 97528866 is about 9875.6704076230. The cubic root of 97528866 is about 460.3036212280.

The spelling of 97528866 in words is "ninety-seven million, five hundred twenty-eight thousand, eight hundred sixty-six".