72287377378227 has 48 divisors (see below), whose sum is σ = 115285163849856. Its totient is φ = 43280665344000.

The previous prime is 72287377378171. The next prime is 72287377378261.

72287377378227 is a `hidden beast` number, since 7 + 2 + 28 + 7 + 3 + 7 + 7 + 378 + 227 = 666.

72287377378227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72287377378227 - 2²² = 72287373183923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72287377378927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185271027 + ... + 185660787.

It is an arithmetic number, because the mean of its divisors is an integer number (2401774246872).

Almost surely, 2^{72287377378227} is an apocalyptic number.

72287377378227 is a deficient number, since it is larger than the sum of its proper divisors (42997786471629).

72287377378227 is a wasteful number, since it uses less digits than its factorization.

72287377378227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412432 (or 412429 counting only the distinct ones).

The product of its digits is 1084253184, while the sum is 72.

The spelling of 72287377378227 in words is "seventy-two trillion, two hundred eighty-seven billion, three hundred seventy-seven million, three hundred seventy-eight thousand, two hundred twenty-seven".