97835978 has 16 divisors (see below), whose sum is σ = 154746720. Its totient is φ = 46262736.

The previous prime is 97835939. The next prime is 97835989. The reversal of 97835978 is 87953879.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23825 + ... + 27627.

It is an arithmetic number, because the mean of its divisors is an integer number (9671670).

Almost surely, 2^97835978 is an apocalyptic number.

97835978 is a deficient number, since it is larger than the sum of its proper divisors (56910742).

97835978 is a wasteful number, since it uses less digits than its factorization.

97835978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its digits is 3810240, while the sum is 56.

The square root of 97835978 is about 9891.2071053032. The cubic root of 97835978 is about 460.7862702725.

The spelling of 97835978 in words is "ninety-seven million, eight hundred thirty-five thousand, nine hundred seventy-eight".