72858415535268 has 48 divisors (see below), whose sum is σ = 186389733734400. Its totient is φ = 21967361460000.

The previous prime is 72858415535267. The next prime is 72858415535287. The reversal of 72858415535268 is 86253551485827.

It is not an unprimeable number, because it can be changed into a prime (72858415535267) 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, 1386802108 + ... + 1386854643.

It is an arithmetic number, because the mean of its divisors is an integer number (3883119452800).

Almost surely, 2^{72858415535268} is an apocalyptic number.

It is an amenable number.

72858415535268 is an abundant number, since it is smaller than the sum of its proper divisors (113531318199132).

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

72858415535268 is a wasteful number, since it uses less digits than its factorization.

72858415535268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773656968 (or 2773656966 counting only the distinct ones).

The product of its digits is 645120000, while the sum is 69.

The spelling of 72858415535268 in words is "seventy-two trillion, eight hundred fifty-eight billion, four hundred fifteen million, five hundred thirty-five thousand, two hundred sixty-eight".