7856118975 has 12 divisors (see below), whose sum is σ = 12988783496. Its totient is φ = 4189930080.

The previous prime is 7856118961. The next prime is 7856118997. The reversal of 7856118975 is 5798116587.

It is not a de Polignac number, because 7856118975 - 2⁸ = 7856118719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52374052 + ... + 52374201.

Almost surely, 2^7856118975 is an apocalyptic number.

7856118975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7856118975 is a deficient number, since it is larger than the sum of its proper divisors (5132664521).

7856118975 is a wasteful number, since it uses less digits than its factorization.

7856118975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104748266 (or 104748261 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 57.

The square root of 7856118975 is about 88634.7503804236. The cubic root of 7856118975 is about 1987.9373065657.

The spelling of 7856118975 in words is "seven billion, eight hundred fifty-six million, one hundred eighteen thousand, nine hundred seventy-five".