977225331 has 8 divisors (see below), whose sum is σ = 1379612304. Its totient is φ = 613160960.

The previous prime is 977225303. The next prime is 977225387. The reversal of 977225331 is 133522779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 977225331 - 2⁵ = 977225299 is a prime.

It is a super-2 number, since 2×977225331² = 1909938695096119122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 977225331.

It is not an unprimeable number, because it can be changed into a prime (977225131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9580590 + ... + 9580691.

It is an arithmetic number, because the mean of its divisors is an integer number (172451538).

Almost surely, 2^977225331 is an apocalyptic number.

977225331 is a deficient number, since it is larger than the sum of its proper divisors (402386973).

977225331 is a wasteful number, since it uses less digits than its factorization.

977225331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19161301.

The product of its digits is 79380, while the sum is 39.

The square root of 977225331 is about 31260.6034970536. The cubic root of 977225331 is about 992.3500714886.

The spelling of 977225331 in words is "nine hundred seventy-seven million, two hundred twenty-five thousand, three hundred thirty-one".