978832788 has 12 divisors (see below), whose sum is σ = 2283943200. Its totient is φ = 326277592.

The previous prime is 978832733. The next prime is 978832819. The reversal of 978832788 is 887238879.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×978832788² = 1916227253727705888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40784688 + ... + 40784711.

It is an arithmetic number, because the mean of its divisors is an integer number (190328600).

Almost surely, 2^978832788 is an apocalyptic number.

It is an amenable number.

978832788 is an abundant number, since it is smaller than the sum of its proper divisors (1305110412).

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

978832788 is a wasteful number, since it uses less digits than its factorization.

978832788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81569406 (or 81569404 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The square root of 978832788 is about 31286.3035208700. The cubic root of 978832788 is about 992.8938854143.

The spelling of 978832788 in words is "nine hundred seventy-eight million, eight hundred thirty-two thousand, seven hundred eighty-eight".