977043311 has 4 divisors (see below), whose sum is σ = 984175152. Its totient is φ = 969911472.

The previous prime is 977043281. The next prime is 977043359. The reversal of 977043311 is 113340779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113340779 = 71 ⋅1596349.

It is a cyclic number.

It is not a de Polignac number, because 977043311 - 2⁶ = 977043247 is a prime.

It is a super-2 number, since 2×977043311² = 1909227263139685442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977043211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565715 + ... + 3565988.

It is an arithmetic number, because the mean of its divisors is an integer number (246043788).

Almost surely, 2^977043311 is an apocalyptic number.

977043311 is a deficient number, since it is larger than the sum of its proper divisors (7131841).

977043311 is a wasteful number, since it uses less digits than its factorization.

977043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131840.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 977043311 is about 31257.6920293230. The cubic root of 977043311 is about 992.2884552745.

The spelling of 977043311 in words is "nine hundred seventy-seven million, forty-three thousand, three hundred eleven".