3877572930561 has 32 divisors (see below), whose sum is σ = 6596615308800. Its totient is φ = 2226357660240.

The previous prime is 3877572930551. The next prime is 3877572930563. The reversal of 3877572930561 is 1650392757783.

3877572930561 is a `hidden beast` number, since 3 + 8 + 7 + 7 + 572 + 9 + 3 + 0 + 56 + 1 = 666.

It is not a de Polignac number, because 3877572930561 - 2²⁹ = 3877036059649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3877572930563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343568071 + ... + 343579356.

It is an arithmetic number, because the mean of its divisors is an integer number (206144228400).

Almost surely, 2^{3877572930561} is an apocalyptic number.

It is an amenable number.

3877572930561 is a deficient number, since it is larger than the sum of its proper divisors (2719042378239).

3877572930561 is a wasteful number, since it uses less digits than its factorization.

3877572930561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687147466 (or 687147460 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 63.

The spelling of 3877572930561 in words is "three trillion, eight hundred seventy-seven billion, five hundred seventy-two million, nine hundred thirty thousand, five hundred sixty-one".