84865086 has 24 divisors (see below), whose sum is σ = 184128984. Its totient is φ = 28249200.

The previous prime is 84865057. The next prime is 84865133. The reversal of 84865086 is 68056848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12036 + ... + 17736.

It is an arithmetic number, because the mean of its divisors is an integer number (7672041).

Almost surely, 2^84865086 is an apocalyptic number.

84865086 is an abundant number, since it is smaller than the sum of its proper divisors (99263898).

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

84865086 is a wasteful number, since it uses less digits than its factorization.

84865086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536 (or 6533 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 84865086 is about 9212.2248127149. The cubic root of 84865086 is about 439.4502189808.

The spelling of 84865086 in words is "eighty-four million, eight hundred sixty-five thousand, eighty-six".