7899075874 has 16 divisors (see below), whose sum is σ = 12660694200. Its totient is φ = 3683107584.

The previous prime is 7899075841. The next prime is 7899075889. The reversal of 7899075874 is 4785709987.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6108516649 + 1790559225 = 78157^2 + 42315^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062009 + ... + 1069420.

Almost surely, 2^7899075874 is an apocalyptic number.

7899075874 is a deficient number, since it is larger than the sum of its proper divisors (4761618326).

7899075874 is a wasteful number, since it uses less digits than its factorization.

7899075874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131557.

The product of its (nonzero) digits is 35562240, while the sum is 64.

The square root of 7899075874 is about 88876.7454062085. The cubic root of 7899075874 is about 1991.5540392473.

The spelling of 7899075874 in words is "seven billion, eight hundred ninety-nine million, seventy-five thousand, eight hundred seventy-four".