3872200880621 has 16 divisors (see below), whose sum is σ = 4146668048640. Its totient is φ = 3607755275520.

The previous prime is 3872200880557. The next prime is 3872200880629. The reversal of 3872200880621 is 1260880022783.

It is a cyclic number.

It is not a de Polignac number, because 3872200880621 - 2⁶ = 3872200880557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872200880629) 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, 13253276 + ... + 13542293.

It is an arithmetic number, because the mean of its divisors is an integer number (259166753040).

Almost surely, 2^{3872200880621} is an apocalyptic number.

It is an amenable number.

3872200880621 is a deficient number, since it is larger than the sum of its proper divisors (274467168019).

3872200880621 is a wasteful number, since it uses less digits than its factorization.

3872200880621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26795756.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 3872200880621 in words is "three trillion, eight hundred seventy-two billion, two hundred million, eight hundred eighty thousand, six hundred twenty-one".