97534866 has 128 divisors (see below), whose sum is σ = 250306560. Its totient is φ = 24883200.

The previous prime is 97534813. The next prime is 97534883. The reversal of 97534866 is 66843579.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 505266 + ... + 505458.

It is an arithmetic number, because the mean of its divisors is an integer number (1955520).

Almost surely, 2^97534866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97534866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125153280).

97534866 is an abundant number, since it is smaller than the sum of its proper divisors (152771694).

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

97534866 is a wasteful number, since it uses less digits than its factorization.

97534866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its digits is 1088640, while the sum is 48.

The square root of 97534866 is about 9875.9741797961. The cubic root of 97534866 is about 460.3130603654.

The spelling of 97534866 in words is "ninety-seven million, five hundred thirty-four thousand, eight hundred sixty-six".