7872621116 has 12 divisors (see below), whose sum is σ = 14097484632. Its totient is φ = 3844768368.

The previous prime is 7872621059. The next prime is 7872621149. The reversal of 7872621116 is 6111262787.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22885355 + ... + 22885698.

It is an arithmetic number, because the mean of its divisors is an integer number (1174790386).

Almost surely, 2^7872621116 is an apocalyptic number.

It is an amenable number.

7872621116 is a deficient number, since it is larger than the sum of its proper divisors (6224863516).

7872621116 is a wasteful number, since it uses less digits than its factorization.

7872621116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45771100 (or 45771098 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 7872621116 is about 88727.7922412138. The cubic root of 7872621116 is about 1989.3282511689.

The spelling of 7872621116 in words is "seven billion, eight hundred seventy-two million, six hundred twenty-one thousand, one hundred sixteen".