86424856 has 32 divisors (see below), whose sum is σ = 185495040. Its totient is φ = 36979488.

The previous prime is 86424853. The next prime is 86424857. The reversal of 86424856 is 65842468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86424851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64465 + ... + 65791.

It is an arithmetic number, because the mean of its divisors is an integer number (5796720).

Almost surely, 2^86424856 is an apocalyptic number.

It is an amenable number.

86424856 is an abundant number, since it is smaller than the sum of its proper divisors (99070184).

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

86424856 is a wasteful number, since it uses less digits than its factorization.

86424856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2499 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 86424856 is about 9296.4969746674. The cubic root of 86424856 is about 442.1261694235.

The spelling of 86424856 in words is "eighty-six million, four hundred twenty-four thousand, eight hundred fifty-six".