85866654 has 16 divisors (see below), whose sum is σ = 173803392. Its totient is φ = 28277208.

The previous prime is 85866629. The next prime is 85866667. The reversal of 85866654 is 45666858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85714 + ... + 86709.

It is an arithmetic number, because the mean of its divisors is an integer number (10862712).

Almost surely, 2^85866654 is an apocalyptic number.

85866654 is an abundant number, since it is smaller than the sum of its proper divisors (87936738).

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

85866654 is a wasteful number, since it uses less digits than its factorization.

85866654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172511.

The product of its digits is 1382400, while the sum is 48.

The square root of 85866654 is about 9266.4261719392. The cubic root of 85866654 is about 441.1722426094.

The spelling of 85866654 in words is "eighty-five million, eight hundred sixty-six thousand, six hundred fifty-four".