977753331 has 12 divisors (see below), whose sum is σ = 1412895952. Its totient is φ = 651565296.

The previous prime is 977753327. The next prime is 977753333. The reversal of 977753331 is 133357779.

It is not a de Polignac number, because 977753331 - 2² = 977753327 is a prime.

It is a super-2 number, since 2×977753331² = 1912003152563191122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (977753333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770 + ... + 44256.

Almost surely, 2^977753331 is an apocalyptic number.

977753331 is a deficient number, since it is larger than the sum of its proper divisors (435142621).

977753331 is a wasteful number, since it uses less digits than its factorization.

977753331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45050 (or 45047 counting only the distinct ones).

The product of its digits is 416745, while the sum is 45.

The square root of 977753331 is about 31269.0474910893. The cubic root of 977753331 is about 992.5287633021.

The spelling of 977753331 in words is "nine hundred seventy-seven million, seven hundred fifty-three thousand, three hundred thirty-one".