72882077538 has 16 divisors (see below), whose sum is σ = 145769184000. Its totient is φ = 24293187696.

The previous prime is 72882077533. The next prime is 72882077557. The reversal of 72882077538 is 83577028827.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72882077531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913 + ... + 381836.

It is an arithmetic number, because the mean of its divisors is an integer number (9110574000).

Almost surely, 2^72882077538 is an apocalyptic number.

72882077538 is an abundant number, since it is smaller than the sum of its proper divisors (72887106462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72882077538 is a wasteful number, since it uses less digits than its factorization.

72882077538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419081.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 72882077538 in words is "seventy-two billion, eight hundred eighty-two million, seventy-seven thousand, five hundred thirty-eight".