7639015797 has 144 divisors (see below), whose sum is σ = 14196349440. Its totient is φ = 4009593312.

The previous prime is 7639015771. The next prime is 7639015823. The reversal of 7639015797 is 7975109367.

7639015797 is a `hidden beast` number, since 7 + 63 + 9 + 0 + 1 + 579 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (7639015771) and next prime (7639015823).

It is not a de Polignac number, because 7639015797 - 2¹⁵ = 7638983029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639015697) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 71392618 + ... + 71392724.

It is an arithmetic number, because the mean of its divisors is an integer number (98585760).

Almost surely, 2^7639015797 is an apocalyptic number.

It is an amenable number.

7639015797 is a deficient number, since it is larger than the sum of its proper divisors (6557333643).

7639015797 is a wasteful number, since it uses less digits than its factorization.

7639015797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2500470, while the sum is 54.

The square root of 7639015797 is about 87401.4633573146. The cubic root of 7639015797 is about 1969.4538237831.

The spelling of 7639015797 in words is "seven billion, six hundred thirty-nine million, fifteen thousand, seven hundred ninety-seven".