6961534977 has 16 divisors (see below), whose sum is σ = 9336824640. Its totient is φ = 4613673792.

The previous prime is 6961534907. The next prime is 6961534981. The reversal of 6961534977 is 7794351696.

It is a happy number.

It is not a de Polignac number, because 6961534977 - 2¹⁴ = 6961518593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6961534907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840418 + ... + 848660.

It is an arithmetic number, because the mean of its divisors is an integer number (583551540).

Almost surely, 2^6961534977 is an apocalyptic number.

It is an amenable number.

6961534977 is a deficient number, since it is larger than the sum of its proper divisors (2375289663).

6961534977 is a wasteful number, since it uses less digits than its factorization.

6961534977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872.

The product of its digits is 8573040, while the sum is 57.

The square root of 6961534977 is about 83435.8135155402. The cubic root of 6961534977 is about 1909.4208908326.

The spelling of 6961534977 in words is "six billion, nine hundred sixty-one million, five hundred thirty-four thousand, nine hundred seventy-seven".