2176738836 has 12 divisors (see below), whose sum is σ = 5079057312. Its totient is φ = 725579608.

The previous prime is 2176738807. The next prime is 2176738849. The reversal of 2176738836 is 6388376712.

It is a tau number, because it is divible by the number of its divisors (12).

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, 90697440 + ... + 90697463.

It is an arithmetic number, because the mean of its divisors is an integer number (423254776).

Almost surely, 2^2176738836 is an apocalyptic number.

It is an amenable number.

2176738836 is an abundant number, since it is smaller than the sum of its proper divisors (2902318476).

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

2176738836 is a wasteful number, since it uses less digits than its factorization.

2176738836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181394910 (or 181394908 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 2176738836 is about 46655.5338196875. The cubic root of 2176738836 is about 1295.9913670169.

The spelling of 2176738836 in words is "two billion, one hundred seventy-six million, seven hundred thirty-eight thousand, eight hundred thirty-six".