72297822879227 has 32 divisors (see below), whose sum is σ = 79441738951680. Its totient is φ = 65250929700000.

The previous prime is 72297822879169. The next prime is 72297822879239.

72297822879227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72297822879227 - 2⁴⁰ = 71198311251451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72297822875227) 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, 7423531724 + ... + 7423541462.

It is an arithmetic number, because the mean of its divisors is an integer number (2482554342240).

Almost surely, 2^{72297822879227} is an apocalyptic number.

72297822879227 is a deficient number, since it is larger than the sum of its proper divisors (7143916072453).

72297822879227 is a wasteful number, since it uses less digits than its factorization.

72297822879227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455.

The product of its digits is 796594176, while the sum is 74.

The spelling of 72297822879227 in words is "seventy-two trillion, two hundred ninety-seven billion, eight hundred twenty-two million, eight hundred seventy-nine thousand, two hundred twenty-seven".