86443612255 has 32 divisors (see below), whose sum is σ = 139276988928. Its totient is φ = 49741776000.

The previous prime is 86443612231. The next prime is 86443612261. The reversal of 86443612255 is 55221634468.

It is a happy number.

It is not a de Polignac number, because 86443612255 - 2⁵ = 86443612223 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8630721 + ... + 8640730.

It is an arithmetic number, because the mean of its divisors is an integer number (4352405904).

Almost surely, 2^86443612255 is an apocalyptic number.

86443612255 is a deficient number, since it is larger than the sum of its proper divisors (52833376673).

86443612255 is a wasteful number, since it uses less digits than its factorization.

86443612255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17271487.

The product of its digits is 1382400, while the sum is 46.

The spelling of 86443612255 in words is "eighty-six billion, four hundred forty-three million, six hundred twelve thousand, two hundred fifty-five".