7796985687 has 24 divisors (see below), whose sum is σ = 11361168000. Its totient is φ = 5152509888.

The previous prime is 7796985667. The next prime is 7796985697. The reversal of 7796985687 is 7865896977.

It is not a de Polignac number, because 7796985687 - 2⁸ = 7796985431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7796985607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676858 + ... + 688280.

It is an arithmetic number, because the mean of its divisors is an integer number (473382000).

Almost surely, 2^7796985687 is an apocalyptic number.

7796985687 is a deficient number, since it is larger than the sum of its proper divisors (3564182313).

7796985687 is a wasteful number, since it uses less digits than its factorization.

7796985687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087 (or 12084 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 72.

The square root of 7796985687 is about 88300.5418273297. The cubic root of 7796985687 is about 1982.9369812658.

The spelling of 7796985687 in words is "seven billion, seven hundred ninety-six million, nine hundred eighty-five thousand, six hundred eighty-seven".