86140560 has 160 divisors (see below), whose sum is σ = 296266752. Its totient is φ = 20528640.

The previous prime is 86140553. The next prime is 86140591. The reversal of 86140560 is 6504168.

It is a super-2 number, since 2×86140560² = 14840392154227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176637 + ... + 177123.

Almost surely, 2^86140560 is an apocalyptic number.

86140560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86140560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148133376).

86140560 is an abundant number, since it is smaller than the sum of its proper divisors (210126192).

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

86140560 is a wasteful number, since it uses less digits than its factorization.

86140560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 86140560 is about 9281.1938887193. The cubic root of 86140560 is about 441.6408430770.

The spelling of 86140560 in words is "eighty-six million, one hundred forty thousand, five hundred sixty".