2089764855 has 24 divisors (see below), whose sum is σ = 3627615888. Its totient is φ = 1112893056.

The previous prime is 2089764829. The next prime is 2089764947. The reversal of 2089764855 is 5584679802.

It is not a de Polignac number, because 2089764855 - 2⁵ = 2089764823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3262 + ... + 64731.

It is an arithmetic number, because the mean of its divisors is an integer number (151150662).

Almost surely, 2^2089764855 is an apocalyptic number.

2089764855 is a deficient number, since it is larger than the sum of its proper divisors (1537851033).

2089764855 is a wasteful number, since it uses less digits than its factorization.

2089764855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68687 (or 68684 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 2089764855 is about 45713.9459574428. The cubic root of 2089764855 is about 1278.4953133815.

The spelling of 2089764855 in words is "two billion, eighty-nine million, seven hundred sixty-four thousand, eight hundred fifty-five".