7872811122 has 32 divisors (see below), whose sum is σ = 17290819584. Its totient is φ = 2369898000.

The previous prime is 7872811099. The next prime is 7872811147. The reversal of 7872811122 is 2211182787.

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, 385018 + ... + 404949.

It is an arithmetic number, because the mean of its divisors is an integer number (540338112).

Almost surely, 2^7872811122 is an apocalyptic number.

7872811122 is an abundant number, since it is smaller than the sum of its proper divisors (9418008462).

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

7872811122 is a wasteful number, since it uses less digits than its factorization.

7872811122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790134.

The product of its digits is 25088, while the sum is 39.

The square root of 7872811122 is about 88728.8629590169. The cubic root of 7872811122 is about 1989.3442552103.

The spelling of 7872811122 in words is "seven billion, eight hundred seventy-two million, eight hundred eleven thousand, one hundred twenty-two".