72844850131837 has 32 divisors (see below), whose sum is σ = 87902213196800. Its totient is φ = 58970442960000.

The previous prime is 72844850131721. The next prime is 72844850131877. The reversal of 72844850131837 is 73813105844827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72844850131837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72844850131877) 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, 1287688489 + ... + 1287745057.

It is an arithmetic number, because the mean of its divisors is an integer number (2746944162400).

Almost surely, 2^{72844850131837} is an apocalyptic number.

It is an amenable number.

72844850131837 is a deficient number, since it is larger than the sum of its proper divisors (15057363064963).

72844850131837 is a wasteful number, since it uses less digits than its factorization.

72844850131837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86177.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 72844850131837 in words is "seventy-two trillion, eight hundred forty-four billion, eight hundred fifty million, one hundred thirty-one thousand, eight hundred thirty-seven".