72889523339 has 4 divisors (see below), whose sum is σ = 73296727560. Its totient is φ = 72482319120.

The previous prime is 72889523303. The next prime is 72889523383. The reversal of 72889523339 is 93332598827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72889523339 is a prime.

It is a super-2 number, since 2×72889523339² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72889528339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203601842 + ... + 203602199.

It is an arithmetic number, because the mean of its divisors is an integer number (18324181890).

Almost surely, 2^72889523339 is an apocalyptic number.

72889523339 is a deficient number, since it is larger than the sum of its proper divisors (407204221).

72889523339 is a wasteful number, since it uses less digits than its factorization.

72889523339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407204220.

The product of its digits is 19595520, while the sum is 59.

The spelling of 72889523339 in words is "seventy-two billion, eight hundred eighty-nine million, five hundred twenty-three thousand, three hundred thirty-nine".