85555555444444 has 12 divisors (see below), whose sum is σ = 149722286777784. Its totient is φ = 42777759222224.

The previous prime is 85555555444393. The next prime is 85555555444483. The reversal of 85555555444444 is 44444455555558.

85555555444444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 85555555444444.

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, 15999999 + ... + 20666665.

It is an arithmetic number, because the mean of its divisors is an integer number (12476857231482).

Almost surely, 2^{85555555444444} is an apocalyptic number.

It is an amenable number.

85555555444444 is a deficient number, since it is larger than the sum of its proper divisors (64166731333340).

85555555444444 is a wasteful number, since it uses less digits than its factorization.

85555555444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250004 (or 9250002 counting only the distinct ones).

The product of its digits is 2560000000, while the sum is 67.

The spelling of 85555555444444 in words is "eighty-five trillion, five hundred fifty-five billion, five hundred fifty-five million, four hundred forty-four thousand, four hundred forty-four".