86351856 has 20 divisors (see below), whose sum is σ = 223075752. Its totient is φ = 28783936.

The previous prime is 86351843. The next prime is 86351861. The reversal of 86351856 is 65815368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899451 + ... + 899546.

Almost surely, 2^86351856 is an apocalyptic number.

It is an amenable number.

86351856 is an abundant number, since it is smaller than the sum of its proper divisors (136723896).

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

86351856 is a wasteful number, since it uses less digits than its factorization.

86351856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799008 (or 1799002 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 86351856 is about 9292.5699351686. The cubic root of 86351856 is about 442.0016516117.

It can be divided in two parts, 8635185 and 6, that multiplied together give a triangular number (51811110 = T₁₀₁₇₉).

The spelling of 86351856 in words is "eighty-six million, three hundred fifty-one thousand, eight hundred fifty-six".