86720274432 has 420 divisors, whose sum is σ = 285243298956. Its totient is φ = 26037780480.

The previous prime is 86720274409. The next prime is 86720274517. The reversal of 86720274432 is 23447202768.

86720274432 is a `hidden beast` number, since 8 + 6 + 7 + 202 + 7 + 4 + 432 = 666.

It is a super-2 number, since 2×86720274432² (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 29 ways as a sum of consecutive naturals, for example, 795598794 + ... + 795598902.

Almost surely, 2^86720274432 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 86720274432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142621649478).

86720274432 is an abundant number, since it is smaller than the sum of its proper divisors (198523024524).

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

86720274432 is an equidigital number, since it uses as much as digits as its factorization.

86720274432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 86720274432 in words is "eighty-six billion, seven hundred twenty million, two hundred seventy-four thousand, four hundred thirty-two".