7872210051 has 32 divisors (see below), whose sum is σ = 11067840000. Its totient is φ = 4969751808.

The previous prime is 7872210041. The next prime is 7872210053. The reversal of 7872210051 is 1500122787.

It is not a de Polignac number, because 7872210051 - 2⁷ = 7872209923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7872209994 and 7872210021.

It is not an unprimeable number, because it can be changed into a prime (7872210053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580375 + ... + 2583423.

It is an arithmetic number, because the mean of its divisors is an integer number (345870000).

Almost surely, 2^7872210051 is an apocalyptic number.

7872210051 is a deficient number, since it is larger than the sum of its proper divisors (3195629949).

7872210051 is a wasteful number, since it uses less digits than its factorization.

7872210051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 7872210051 is about 88725.4757721817. The cubic root of 7872210051 is about 1989.2936266375.

The spelling of 7872210051 in words is "seven billion, eight hundred seventy-two million, two hundred ten thousand, fifty-one".