2123878176 has 72 divisors (see below), whose sum is σ = 6902610624. Its totient is φ = 606821760.

The previous prime is 2123878157. The next prime is 2123878199. The reversal of 2123878176 is 6718783212.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524740 + ... + 528771.

It is an arithmetic number, because the mean of its divisors is an integer number (95869592).

Almost surely, 2^2123878176 is an apocalyptic number.

It is an amenable number.

2123878176 is an abundant number, since it is smaller than the sum of its proper divisors (4778732448).

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

2123878176 is a wasteful number, since it uses less digits than its factorization.

2123878176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053534 (or 1053523 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2123878176 is about 46085.5527904353. The cubic root of 2123878176 is about 1285.4145182197.

The spelling of 2123878176 in words is "two billion, one hundred twenty-three million, eight hundred seventy-eight thousand, one hundred seventy-six".