978153604 has 6 divisors (see below), whose sum is σ = 1711768814. Its totient is φ = 489076800.

The previous prime is 978153601. The next prime is 978153697. The reversal of 978153604 is 406351879.

It can be written as a sum of positive squares in only one way, i.e., 976437504 + 1716100 = 31248^2 + 1310^2 .

It is not an unprimeable number, because it can be changed into a prime (978153601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122269197 + ... + 122269204.

Almost surely, 2^978153604 is an apocalyptic number.

It is an amenable number.

978153604 is a deficient number, since it is larger than the sum of its proper divisors (733615210).

978153604 is a wasteful number, since it uses less digits than its factorization.

978153604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244538405 (or 244538403 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 978153604 is about 31275.4473029564. The cubic root of 978153604 is about 992.6641854146.

The spelling of 978153604 in words is "nine hundred seventy-eight million, one hundred fifty-three thousand, six hundred four".