977340231 has 72 divisors (see below), whose sum is σ = 1706837184. Its totient is φ = 536941440.

The previous prime is 977340211. The next prime is 977340241. The reversal of 977340231 is 132043779.

It is not a de Polignac number, because 977340231 - 2⁶ = 977340167 is a prime.

It is a super-2 number, since 2×977340231² = 1910387854262266722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977340211) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1263961 + ... + 1264733.

It is an arithmetic number, because the mean of its divisors is an integer number (23706072).

Almost surely, 2^977340231 is an apocalyptic number.

977340231 is a deficient number, since it is larger than the sum of its proper divisors (729496953).

977340231 is a wasteful number, since it uses less digits than its factorization.

977340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 977340231 is about 31262.4412194569. The cubic root of 977340231 is about 992.3889627423.

The spelling of 977340231 in words is "nine hundred seventy-seven million, three hundred forty thousand, two hundred thirty-one".