7715712382 has 12 divisors (see below), whose sum is σ = 13463130960. Its totient is φ = 3306733836.

The previous prime is 7715712349. The next prime is 7715712391. The reversal of 7715712382 is 2832175177.

It is a super-2 number, since 2×7715712382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39365782 + ... + 39365977.

It is an arithmetic number, because the mean of its divisors is an integer number (1121927580).

Almost surely, 2^7715712382 is an apocalyptic number.

7715712382 is a deficient number, since it is larger than the sum of its proper divisors (5747418578).

7715712382 is a wasteful number, since it uses less digits than its factorization.

7715712382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78731775 (or 78731768 counting only the distinct ones).

The product of its digits is 164640, while the sum is 43.

The square root of 7715712382 is about 87839.1278531384. The cubic root of 7715712382 is about 1976.0230671948.

The spelling of 7715712382 in words is "seven billion, seven hundred fifteen million, seven hundred twelve thousand, three hundred eighty-two".