977364620 has 48 divisors (see below), whose sum is σ = 2118849600. Its totient is φ = 378411264.

The previous prime is 977364613. The next prime is 977364637. The reversal of 977364620 is 26463779.

It is a happy 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, 143942 + ... + 150578.

It is an arithmetic number, because the mean of its divisors is an integer number (44142700).

Almost surely, 2^977364620 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 977364620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059424800).

977364620 is an abundant number, since it is smaller than the sum of its proper divisors (1141484980).

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

977364620 is a wasteful number, since it uses less digits than its factorization.

977364620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6880 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 977364620 is about 31262.8312857297. The cubic root of 977364620 is about 992.3972175180.

The spelling of 977364620 in words is "nine hundred seventy-seven million, three hundred sixty-four thousand, six hundred twenty".