977613906 has 16 divisors (see below), whose sum is σ = 1955878848. Its totient is φ = 325762800.

The previous prime is 977613841. The next prime is 977613911. The reversal of 977613906 is 609316779.

It is a super-3 number, since 3×977613906³ (a number of 28 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 44676.

It is an arithmetic number, because the mean of its divisors is an integer number (122242428).

Almost surely, 2^977613906 is an apocalyptic number.

977613906 is an abundant number, since it is smaller than the sum of its proper divisors (978264942).

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

977613906 is a wasteful number, since it uses less digits than its factorization.

977613906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54257.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 977613906 is about 31266.8179704939. The cubic root of 977613906 is about 992.4815837472.

The spelling of 977613906 in words is "nine hundred seventy-seven million, six hundred thirteen thousand, nine hundred six".