884396172066 has 32 divisors (see below), whose sum is σ = 1954016870400. Its totient is φ = 264606448080.

The previous prime is 884396172053. The next prime is 884396172067. The reversal of 884396172066 is 660271693488.

884396172066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (884396172067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84804546 + ... + 84814973.

It is an arithmetic number, because the mean of its divisors is an integer number (61063027200).

Almost surely, 2^884396172066 is an apocalyptic number.

884396172066 is an abundant number, since it is smaller than the sum of its proper divisors (1069620698334).

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

884396172066 is a wasteful number, since it uses less digits than its factorization.

884396172066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169619614.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 884396172066 in words is "eight hundred eighty-four billion, three hundred ninety-six million, one hundred seventy-two thousand, sixty-six".