977606420 has 48 divisors (see below), whose sum is σ = 2484276480. Its totient is φ = 315462144.

The previous prime is 977606417. The next prime is 977606431. The reversal of 977606420 is 24606779.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 203000 + ... + 207759.

It is an arithmetic number, because the mean of its divisors is an integer number (51755760).

Almost surely, 2^977606420 is an apocalyptic number.

It is an amenable number.

977606420 is an abundant number, since it is smaller than the sum of its proper divisors (1506670060).

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

977606420 is a wasteful number, since it uses less digits than its factorization.

977606420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410792 (or 410790 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 977606420 is about 31266.6982586905. The cubic root of 977606420 is about 992.4790504580.

The spelling of 977606420 in words is "nine hundred seventy-seven million, six hundred six thousand, four hundred twenty".