7856268634 has 8 divisors (see below), whose sum is σ = 11799972468. Its totient is φ = 3922944480.

The previous prime is 7856268617. The next prime is 7856268653. The reversal of 7856268634 is 4368626587.

It can be written as a sum of positive squares in 2 ways, for example, as 6658070409 + 1198198225 = 81597^2 + 34615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2593027 + ... + 2596054.

Almost surely, 2^7856268634 is an apocalyptic number.

7856268634 is a deficient number, since it is larger than the sum of its proper divisors (3943703834).

7856268634 is a wasteful number, since it uses less digits than its factorization.

7856268634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189840.

The product of its digits is 11612160, while the sum is 55.

The square root of 7856268634 is about 88635.5946220253. The cubic root of 7856268634 is about 1987.9499298818.

The spelling of 7856268634 in words is "seven billion, eight hundred fifty-six million, two hundred sixty-eight thousand, six hundred thirty-four".