86423680 has 128 divisors (see below), whose sum is σ = 239708160. Its totient is φ = 29184000.

The previous prime is 86423677. The next prime is 86423681. The reversal of 86423680 is 8632468.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (86423681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452385 + ... + 452575.

It is an arithmetic number, because the mean of its divisors is an integer number (1872720).

Almost surely, 2^86423680 is an apocalyptic number.

86423680 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 86423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119854080).

86423680 is an abundant number, since it is smaller than the sum of its proper divisors (153284480).

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

86423680 is a wasteful number, since it uses less digits than its factorization.

86423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 86423680 is about 9296.4337248216. The cubic root of 86423680 is about 442.1241640485.

The spelling of 86423680 in words is "eighty-six million, four hundred twenty-three thousand, six hundred eighty".