86504856 has 32 divisors (see below), whose sum is σ = 219931200. Its totient is φ = 28345760.

The previous prime is 86504833. The next prime is 86504879. The reversal of 86504856 is 65840568.

It is an interprime number because it is at equal distance from previous prime (86504833) and next prime (86504879).

It is a super-2 number, since 2×86504856² = 14966180223161472, which contains 22 as substring.

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, 29130 + ... + 31961.

It is an arithmetic number, because the mean of its divisors is an integer number (6872850).

Almost surely, 2^86504856 is an apocalyptic number.

It is an amenable number.

86504856 is an abundant number, since it is smaller than the sum of its proper divisors (133426344).

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

86504856 is a wasteful number, since it uses less digits than its factorization.

86504856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61159 (or 61155 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 86504856 is about 9300.7986753827. The cubic root of 86504856 is about 442.2625468009.

The spelling of 86504856 in words is "eighty-six million, five hundred four thousand, eight hundred fifty-six".