7668863536 has 40 divisors (see below), whose sum is σ = 14919680000. Its totient is φ = 3818664000.

The previous prime is 7668863513. The next prime is 7668863549. The reversal of 7668863536 is 6353688667.

It is a super-2 number, since 2×7668863536² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5995345 + ... + 5996623.

It is an arithmetic number, because the mean of its divisors is an integer number (372992000).

Almost surely, 2^7668863536 is an apocalyptic number.

It is an amenable number.

7668863536 is a deficient number, since it is larger than the sum of its proper divisors (7250816464).

7668863536 is a wasteful number, since it uses less digits than its factorization.

7668863536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2531 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The square root of 7668863536 is about 87572.0476864621. The cubic root of 7668863536 is about 1972.0155564111.

The spelling of 7668863536 in words is "seven billion, six hundred sixty-eight million, eight hundred sixty-three thousand, five hundred thirty-six".