977604870 has 64 divisors (see below), whose sum is σ = 2569729536. Its totient is φ = 236052480.

The previous prime is 977604863. The next prime is 977604889. The reversal of 977604870 is 78406779.

It is a super-2 number, since 2×977604870² = 1911422563695433800, 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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79047 + ... + 90573.

It is an arithmetic number, because the mean of its divisors is an integer number (40152024).

Almost surely, 2^977604870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977604870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284864768).

977604870 is an abundant number, since it is smaller than the sum of its proper divisors (1592124666).

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

977604870 is a wasteful number, since it uses less digits than its factorization.

977604870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 977604870 is about 31266.6734719253. The cubic root of 977604870 is about 992.4785259309.

The spelling of 977604870 in words is "nine hundred seventy-seven million, six hundred four thousand, eight hundred seventy".