978968832 has 72 divisors (see below), whose sum is σ = 2626262016. Its totient is φ = 323721216.

The previous prime is 978968827. The next prime is 978968857. The reversal of 978968832 is 238869879.

It is a congruent number.

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, 92518 + ... + 102554.

Almost surely, 2^978968832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978968832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313131008).

978968832 is an abundant number, since it is smaller than the sum of its proper divisors (1647293184).

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

978968832 is a wasteful number, since it uses less digits than its factorization.

978968832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183 (or 10169 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The square root of 978968832 is about 31288.4776235598. The cubic root of 978968832 is about 992.9398827150.

The spelling of 978968832 in words is "nine hundred seventy-eight million, nine hundred sixty-eight thousand, eight hundred thirty-two".