97934978 has 8 divisors (see below), whose sum is σ = 150485580. Its totient is φ = 47773120.

The previous prime is 97934939. The next prime is 97935007. The reversal of 97934978 is 87943979.

It can be written as a sum of positive squares in 2 ways, for example, as 88491649 + 9443329 = 9407^2 + 3073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597083 + ... + 597246.

Almost surely, 2^97934978 is an apocalyptic number.

97934978 is a deficient number, since it is larger than the sum of its proper divisors (52550602).

97934978 is a wasteful number, since it uses less digits than its factorization.

97934978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194372.

The product of its digits is 3429216, while the sum is 56.

The square root of 97934978 is about 9896.2102847504. The cubic root of 97934978 is about 460.9416407319.

Subtracting from 97934978 its reverse (87943979), we obtain a palindrome (9990999).

The spelling of 97934978 in words is "ninety-seven million, nine hundred thirty-four thousand, nine hundred seventy-eight".