3877666497 has 12 divisors (see below), whose sum is σ = 5626193664. Its totient is φ = 2573517240.

The previous prime is 3877666469. The next prime is 3877666501. The reversal of 3877666497 is 7946667783.

3877666497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3877666497 - 2⁷ = 3877666369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3877666447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964029 + ... + 968042.

It is an arithmetic number, because the mean of its divisors is an integer number (468849472).

Almost surely, 2^3877666497 is an apocalyptic number.

It is an amenable number.

3877666497 is a deficient number, since it is larger than the sum of its proper divisors (1748527167).

3877666497 is a wasteful number, since it uses less digits than its factorization.

3877666497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932300 (or 1932297 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The square root of 3877666497 is about 62270.9121259678. The cubic root of 3877666497 is about 1571.0505223873.

The spelling of 3877666497 in words is "three billion, eight hundred seventy-seven million, six hundred sixty-six thousand, four hundred ninety-seven".