86587020 has 72 divisors (see below), whose sum is σ = 282858576. Its totient is φ = 21313152.

The previous prime is 86587003. The next prime is 86587027. The reversal of 86587020 is 2078568.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86587027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16162 + ... + 20841.

Almost surely, 2^86587020 is an apocalyptic number.

It is an amenable number.

86587020 is an abundant number, since it is smaller than the sum of its proper divisors (196271556).

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

86587020 is a wasteful number, since it uses less digits than its factorization.

86587020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37031 (or 37026 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 86587020 is about 9305.2146670563. The cubic root of 86587020 is about 442.4025256906.

The spelling of 86587020 in words is "eighty-six million, five hundred eighty-seven thousand, twenty".