7994931828 has 48 divisors (see below), whose sum is σ = 20178419520. Its totient is φ = 2449131264.

The previous prime is 7994931803. The next prime is 7994931869. The reversal of 7994931828 is 8281394997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77473 + ... + 148296.

It is an arithmetic number, because the mean of its divisors is an integer number (420383740).

Almost surely, 2^7994931828 is an apocalyptic number.

7994931828 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7994931828 is an abundant number, since it is smaller than the sum of its proper divisors (12183487692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7994931828 is a wasteful number, since it uses less digits than its factorization.

7994931828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226016 (or 226014 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 7994931828 is about 89414.3826685618. The cubic root of 7994931828 is about 1999.5775631132.

The spelling of 7994931828 in words is "seven billion, nine hundred ninety-four million, nine hundred thirty-one thousand, eight hundred twenty-eight".