7700220051 has 4 divisors (see below), whose sum is σ = 10266960072. Its totient is φ = 5133480032.

The previous prime is 7700220049. The next prime is 7700220061. The reversal of 7700220051 is 1500220077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7700220051 - 2¹ = 7700220049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7700220061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283370006 + ... + 1283370011.

It is an arithmetic number, because the mean of its divisors is an integer number (2566740018).

Almost surely, 2^7700220051 is an apocalyptic number.

7700220051 is a deficient number, since it is larger than the sum of its proper divisors (2566740021).

7700220051 is a wasteful number, since it uses less digits than its factorization.

7700220051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566740020.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 7700220051 is about 87750.8977219037. The cubic root of 7700220051 is about 1974.6996328769.

The spelling of 7700220051 in words is "seven billion, seven hundred million, two hundred twenty thousand, fifty-one".