7115385764 has 12 divisors (see below), whose sum is σ = 12575212188. Its totient is φ = 3522468000.

The previous prime is 7115385743. The next prime is 7115385779. The reversal of 7115385764 is 4675835117.

It can be written as a sum of positive squares in 2 ways, for example, as 5899468864 + 1215916900 = 76808^2 + 34870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8805767 + ... + 8806574.

It is an arithmetic number, because the mean of its divisors is an integer number (1047934349).

Almost surely, 2^7115385764 is an apocalyptic number.

It is an amenable number.

7115385764 is a deficient number, since it is larger than the sum of its proper divisors (5459826424).

7115385764 is a wasteful number, since it uses less digits than its factorization.

7115385764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612446 (or 17612444 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 7115385764 is about 84352.7460371030. The cubic root of 7115385764 is about 1923.3846696624.

The spelling of 7115385764 in words is "seven billion, one hundred fifteen million, three hundred eighty-five thousand, seven hundred sixty-four".