86757231512 has 64 divisors (see below), whose sum is σ = 194359564800. Its totient is φ = 35564796960.

The previous prime is 86757231409. The next prime is 86757231523. The reversal of 86757231512 is 21513275768.

It is a super-2 number, since 2×86757231512² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 617687 + ... + 745017.

It is an arithmetic number, because the mean of its divisors is an integer number (3036868200).

Almost surely, 2^86757231512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86757231512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97179782400).

86757231512 is an abundant number, since it is smaller than the sum of its proper divisors (107602333288).

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

86757231512 is a wasteful number, since it uses less digits than its factorization.

86757231512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127413 (or 127363 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The spelling of 86757231512 in words is "eighty-six billion, seven hundred fifty-seven million, two hundred thirty-one thousand, five hundred twelve".