3876801566 has 8 divisors (see below), whose sum is σ = 6343857144. Its totient is φ = 1762182520.

The previous prime is 3876801563. The next prime is 3876801581. The reversal of 3876801566 is 6651086783.

It is a happy number.

3876801566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876801563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88109105 + ... + 88109148.

It is an arithmetic number, because the mean of its divisors is an integer number (792982143).

Almost surely, 2^3876801566 is an apocalyptic number.

3876801566 is a deficient number, since it is larger than the sum of its proper divisors (2467055578).

3876801566 is a wasteful number, since it uses less digits than its factorization.

3876801566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176218266.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 3876801566 is about 62263.9668347593. The cubic root of 3876801566 is about 1570.9337037331.

The spelling of 3876801566 in words is "three billion, eight hundred seventy-six million, eight hundred one thousand, five hundred sixty-six".