977009385 has 16 divisors (see below), whose sum is σ = 1705325760. Its totient is φ = 473701440.

The previous prime is 977009359. The next prime is 977009389. The reversal of 977009385 is 583900779.

It is not a de Polignac number, because 977009385 - 2⁸ = 977009129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977009389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2960470 + ... + 2960799.

It is an arithmetic number, because the mean of its divisors is an integer number (106582860).

Almost surely, 2^977009385 is an apocalyptic number.

It is an amenable number.

977009385 is a deficient number, since it is larger than the sum of its proper divisors (728316375).

977009385 is a wasteful number, since it uses less digits than its factorization.

977009385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921288.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 977009385 is about 31257.1493421905. The cubic root of 977009385 is about 992.2769700218.

The spelling of 977009385 in words is "nine hundred seventy-seven million, nine thousand, three hundred eighty-five".