6975078957 has 96 divisors (see below), whose sum is σ = 13284311040. Its totient is φ = 3420576000.

The previous prime is 6975078949. The next prime is 6975078959. The reversal of 6975078957 is 7598705796.

It is not a de Polignac number, because 6975078957 - 2³ = 6975078949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6975078894 and 6975078903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6975078959) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 876844 + ... + 884762.

It is an arithmetic number, because the mean of its divisors is an integer number (138378240).

Almost surely, 2^6975078957 is an apocalyptic number.

It is an amenable number.

6975078957 is a deficient number, since it is larger than the sum of its proper divisors (6309232083).

6975078957 is a wasteful number, since it uses less digits than its factorization.

6975078957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015 (or 8012 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 63.

The square root of 6975078957 is about 83516.9381443070. The cubic root of 6975078957 is about 1910.6583767796.

The spelling of 6975078957 in words is "six billion, nine hundred seventy-five million, seventy-eight thousand, nine hundred fifty-seven".