7678987675 has 12 divisors (see below), whose sum is σ = 9523057896. Its totient is φ = 6142472000.

The previous prime is 7678987661. The next prime is 7678987697. The reversal of 7678987675 is 5767898767.

It is not a de Polignac number, because 7678987675 - 2⁹ = 7678987163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340500 + ... + 362350.

It is an arithmetic number, because the mean of its divisors is an integer number (793588158).

Almost surely, 2^7678987675 is an apocalyptic number.

7678987675 is a deficient number, since it is larger than the sum of its proper divisors (1844070221).

7678987675 is a wasteful number, since it uses less digits than its factorization.

7678987675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35918 (or 35913 counting only the distinct ones).

The product of its digits is 248935680, while the sum is 70.

The square root of 7678987675 is about 87629.8332475875. The cubic root of 7678987675 is about 1972.8829678727.

The spelling of 7678987675 in words is "seven billion, six hundred seventy-eight million, nine hundred eighty-seven thousand, six hundred seventy-five".