2328627976821 has 40 divisors (see below), whose sum is σ = 3482436495384. Its totient is φ = 1550693237760.

The previous prime is 2328627976799. The next prime is 2328627976823. The reversal of 2328627976821 is 1286797268232.

2328627976821 is a `hidden beast` number, since 2 + 3 + 286 + 279 + 7 + 6 + 82 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 748503555921 + 1580124420900 = 865161^2 + 1257030^2 .

It is not a de Polignac number, because 2328627976821 - 2⁷ = 2328627976693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328627976823) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 372160525 + ... + 372166781.

Almost surely, 2^{2328627976821} is an apocalyptic number.

It is an amenable number.

2328627976821 is a deficient number, since it is larger than the sum of its proper divisors (1153808518563).

2328627976821 is a wasteful number, since it uses less digits than its factorization.

2328627976821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643 (or 10634 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 2328627976821 in words is "two trillion, three hundred twenty-eight billion, six hundred twenty-seven million, nine hundred seventy-six thousand, eight hundred twenty-one".