6976315477 has 4 divisors (see below), whose sum is σ = 6981268140. Its totient is φ = 6971362816.

The previous prime is 6976315471. The next prime is 6976315513. The reversal of 6976315477 is 7745136796.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2137582756 + 4838732721 = 46234^2 + 69561^2 .

It is a cyclic number.

It is not a de Polignac number, because 6976315477 - 2³¹ = 4828831829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6976315471) 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, 2474218 + ... + 2477035.

It is an arithmetic number, because the mean of its divisors is an integer number (1745317035).

Almost surely, 2^6976315477 is an apocalyptic number.

It is an amenable number.

6976315477 is a deficient number, since it is larger than the sum of its proper divisors (4952663).

6976315477 is a wasteful number, since it uses less digits than its factorization.

6976315477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952662.

The product of its digits is 6667920, while the sum is 55.

The square root of 6976315477 is about 83524.3406259517. The cubic root of 6976315477 is about 1910.7712752722.

The spelling of 6976315477 in words is "six billion, nine hundred seventy-six million, three hundred fifteen thousand, four hundred seventy-seven".