6977631 has 8 divisors (see below), whose sum is σ = 9316864. Its totient is φ = 4645080.

The previous prime is 6977623. The next prime is 6977639. The reversal of 6977631 is 1367796.

It is an interprime number because it is at equal distance from previous prime (6977623) and next prime (6977639).

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

It is not a de Polignac number, because 6977631 - 2³ = 6977623 is a prime.

It is a super-2 number, since 2×6977631² = 97374668744322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6977631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6977639) 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, 1800 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (1164608).

Almost surely, 2^6977631 is an apocalyptic number.

6977631 is a deficient number, since it is larger than the sum of its proper divisors (2339233).

6977631 is a wasteful number, since it uses less digits than its factorization.

6977631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its digits is 47628, while the sum is 39.

The square root of 6977631 is about 2641.5205848147. The cubic root of 6977631 is about 191.0891372363.

The spelling of 6977631 in words is "six million, nine hundred seventy-seven thousand, six hundred thirty-one".