7872912792 has 48 divisors (see below), whose sum is σ = 21373443000. Its totient is φ = 2618030976.

The previous prime is 7872912791. The next prime is 7872912821. The reversal of 7872912792 is 2972192787.

It is a happy number.

7872912792 is a `hidden beast` number, since 7 + 87 + 291 + 279 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872912791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100317 + ... + 160652.

Almost surely, 2^7872912792 is an apocalyptic number.

7872912792 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7872912792 is an abundant number, since it is smaller than the sum of its proper divisors (13500530208).

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

7872912792 is a wasteful number, since it uses less digits than its factorization.

7872912792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261400 (or 261393 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The square root of 7872912792 is about 88729.4358823497. The cubic root of 7872912792 is about 1989.3528186809.

The spelling of 7872912792 in words is "seven billion, eight hundred seventy-two million, nine hundred twelve thousand, seven hundred ninety-two".