86423435872 has 48 divisors (see below), whose sum is σ = 179160735600. Its totient is φ = 40923809280.

The previous prime is 86423435851. The next prime is 86423435899. The reversal of 86423435872 is 27853432468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941222 + ... + 1985242.

It is an arithmetic number, because the mean of its divisors is an integer number (3732515325).

Almost surely, 2^86423435872 is an apocalyptic number.

It is an amenable number.

86423435872 is an abundant number, since it is smaller than the sum of its proper divisors (92737299728).

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

86423435872 is a wasteful number, since it uses less digits than its factorization.

86423435872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47279 (or 47271 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 52.

The spelling of 86423435872 in words is "eighty-six billion, four hundred twenty-three million, four hundred thirty-five thousand, eight hundred seventy-two".