86402560 has 40 divisors (see below), whose sum is σ = 207169776. Its totient is φ = 34560000.

The previous prime is 86402521. The next prime is 86402573. The reversal of 86402560 is 6520468.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14316 + ... + 19435.

Almost surely, 2^86402560 is an apocalyptic number.

86402560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86402560 is an abundant number, since it is smaller than the sum of its proper divisors (120767216).

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

86402560 is an equidigital number, since it uses as much as digits as its factorization.

86402560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33774 (or 33758 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 86402560 is about 9295.2977359523. The cubic root of 86402560 is about 442.0881460533.

The spelling of 86402560 in words is "eighty-six million, four hundred two thousand, five hundred sixty".