86891273328 has 60 divisors (see below), whose sum is σ = 236905132488. Its totient is φ = 27439344000.

The previous prime is 86891273317. The next prime is 86891273333. The reversal of 86891273328 is 82337219868.

It is a super-2 number, since 2×86891273328² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2489923 + ... + 2524578.

Almost surely, 2^86891273328 is an apocalyptic number.

It is an amenable number.

86891273328 is an abundant number, since it is smaller than the sum of its proper divisors (150013859160).

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

86891273328 is a wasteful number, since it uses less digits than its factorization.

86891273328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014550 (or 5014525 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The spelling of 86891273328 in words is "eighty-six billion, eight hundred ninety-one million, two hundred seventy-three thousand, three hundred twenty-eight".