86487042 has 32 divisors (see below), whose sum is σ = 176143680. Its totient is φ = 28304640.

The previous prime is 86487029. The next prime is 86487053. The reversal of 86487042 is 24078468.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165742 + ... + 166262.

It is an arithmetic number, because the mean of its divisors is an integer number (5504490).

Almost surely, 2^86487042 is an apocalyptic number.

86487042 is an abundant number, since it is smaller than the sum of its proper divisors (89656638).

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

86487042 is a wasteful number, since it uses less digits than its factorization.

86487042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 86487042 is about 9299.8409663822. The cubic root of 86487042 is about 442.2321862476.

The spelling of 86487042 in words is "eighty-six million, four hundred eighty-seven thousand, forty-two".