7827313994 has 16 divisors (see below), whose sum is σ = 12193339488. Its totient is φ = 3765584592.

The previous prime is 7827313939. The next prime is 7827314039. The reversal of 7827313994 is 4993137287.

It is a super-2 number, since 2×7827313994² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673457 + ... + 684980.

It is an arithmetic number, because the mean of its divisors is an integer number (762083718).

Almost surely, 2^7827313994 is an apocalyptic number.

7827313994 is a deficient number, since it is larger than the sum of its proper divisors (4366025494).

7827313994 is a wasteful number, since it uses less digits than its factorization.

7827313994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358549.

The product of its digits is 2286144, while the sum is 53.

The square root of 7827313994 is about 88472.1085653552. The cubic root of 7827313994 is about 1985.5046963920.

The spelling of 7827313994 in words is "seven billion, eight hundred twenty-seven million, three hundred thirteen thousand, nine hundred ninety-four".