86510706 has 16 divisors (see below), whose sum is σ = 173920224. Its totient is φ = 28687104.

The previous prime is 86510693. The next prime is 86510707. The reversal of 86510706 is 60701568.

It is not an unprimeable number, because it can be changed into a prime (86510707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36196 + ... + 38511.

It is an arithmetic number, because the mean of its divisors is an integer number (10870014).

Almost surely, 2^86510706 is an apocalyptic number.

86510706 is an abundant number, since it is smaller than the sum of its proper divisors (87409518).

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

86510706 is a wasteful number, since it uses less digits than its factorization.

86510706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74905.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 86510706 is about 9301.1131591869. The cubic root of 86510706 is about 442.2725160970.

The spelling of 86510706 in words is "eighty-six million, five hundred ten thousand, seven hundred six".