72928853457086 has 48 divisors (see below), whose sum is σ = 124128490760064. Its totient is φ = 32078199912000.

The previous prime is 72928853457037. The next prime is 72928853457113. The reversal of 72928853457086 is 68075435882927.

It is a happy number.

It is a super-2 number, since 2×72928853457086² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127405976 + ... + 127977108.

It is an arithmetic number, because the mean of its divisors is an integer number (2586010224168).

Almost surely, 2^{72928853457086} is an apocalyptic number.

72928853457086 is a deficient number, since it is larger than the sum of its proper divisors (51199637302978).

72928853457086 is a wasteful number, since it uses less digits than its factorization.

72928853457086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588209 (or 588198 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 74.

The spelling of 72928853457086 in words is "seventy-two trillion, nine hundred twenty-eight billion, eight hundred fifty-three million, four hundred fifty-seven thousand, eighty-six".