6948772879131 has 12 divisors (see below), whose sum is σ = 10037140233952. Its totient is φ = 4632504243696.

The previous prime is 6948772879123. The next prime is 6948772879159. The reversal of 6948772879131 is 1319782778496.

6948772879131 is a `hidden beast` number, since 6 + 9 + 487 + 7 + 2 + 8 + 7 + 9 + 131 = 666.

It is not a de Polignac number, because 6948772879131 - 2³ = 6948772879123 is a prime.

It is a super-2 number, since 2×6948772879131² (a number of 26 digits) 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 6948772879131.

It is not an unprimeable number, because it can be changed into a prime (6948772875131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5292225 + ... + 6473421.

Almost surely, 2^{6948772879131} is an apocalyptic number.

6948772879131 is a deficient number, since it is larger than the sum of its proper divisors (3088367354821).

6948772879131 is a wasteful number, since it uses less digits than its factorization.

6948772879131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834850 (or 1834847 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The spelling of 6948772879131 in words is "six trillion, nine hundred forty-eight billion, seven hundred seventy-two million, eight hundred seventy-nine thousand, one hundred thirty-one".