72877247247 has 16 divisors (see below), whose sum is σ = 114052424192. Its totient is φ = 40518623520.

The previous prime is 72877247237. The next prime is 72877247251. The reversal of 72877247247 is 74274277827.

It is not a de Polignac number, because 72877247247 - 2⁷ = 72877247119 is a prime.

It is a super-2 number, since 2×72877247247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72877247237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46895779 + ... + 46897332.

It is an arithmetic number, because the mean of its divisors is an integer number (7128276512).

Almost surely, 2^72877247247 is an apocalyptic number.

72877247247 is a deficient number, since it is larger than the sum of its proper divisors (41175176945).

72877247247 is a wasteful number, since it uses less digits than its factorization.

72877247247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93793158.

The product of its digits is 17210368, while the sum is 57.

The spelling of 72877247247 in words is "seventy-two billion, eight hundred seventy-seven million, two hundred forty-seven thousand, two hundred forty-seven".