7986460688 has 20 divisors (see below), whose sum is σ = 15475499088. Its totient is φ = 3992783520.

The previous prime is 7986460679. The next prime is 7986460711. The reversal of 7986460688 is 8860646897.

It is a happy number.

It is a Cunningham number, because it is equal to 89367²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 7986460688.

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, 156395 + ... + 201077.

Almost surely, 2^7986460688 is an apocalyptic number.

It is an amenable number.

7986460688 is a deficient number, since it is larger than the sum of its proper divisors (7489038400).

7986460688 is a wasteful number, since it uses less digits than its factorization.

7986460688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55862 (or 55856 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 62.

The square root of 7986460688 is about 89366.9999944051. Note that the first 5 decimals coincide. The cubic root of 7986460688 is about 1998.8710868975.

The spelling of 7986460688 in words is "seven billion, nine hundred eighty-six million, four hundred sixty thousand, six hundred eighty-eight".