8772407279 has 4 divisors (see below), whose sum is σ = 8772785184. Its totient is φ = 8772029376.

The previous prime is 8772407257. The next prime is 8772407291. The reversal of 8772407279 is 9727042778.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9727042778 = 2 ⋅4863521389.

It is a cyclic number.

It is not a de Polignac number, because 8772407279 - 2²⁸ = 8503971823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8772407279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772407209) 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, 151682 + ... + 201375.

It is an arithmetic number, because the mean of its divisors is an integer number (2193196296).

Almost surely, 2^8772407279 is an apocalyptic number.

8772407279 is a deficient number, since it is larger than the sum of its proper divisors (377905).

8772407279 is a wasteful number, since it uses less digits than its factorization.

8772407279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377904.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 8772407279 is about 93661.1300326875. The cubic root of 8772407279 is about 2062.4001370149.

The spelling of 8772407279 in words is "eight billion, seven hundred seventy-two million, four hundred seven thousand, two hundred seventy-nine".