3766677221 has 8 divisors (see below), whose sum is σ = 3827040000. Its totient is φ = 3706436448.

The previous prime is 3766677203. The next prime is 3766677247. The reversal of 3766677221 is 1227766673.

3766677221 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 cyclic number.

It is not a de Polignac number, because 3766677221 - 2²⁶ = 3699568357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3766677281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32780 + ... + 92778.

It is an arithmetic number, because the mean of its divisors is an integer number (478380000).

Almost surely, 2^3766677221 is an apocalyptic number.

It is an amenable number.

3766677221 is a deficient number, since it is larger than the sum of its proper divisors (60362779).

3766677221 is an equidigital number, since it uses as much as digits as its factorization.

3766677221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61003.

The product of its digits is 889056, while the sum is 47.

The square root of 3766677221 is about 61373.2614499181. The cubic root of 3766677221 is about 1555.9159584634.

The spelling of 3766677221 in words is "three billion, seven hundred sixty-six million, six hundred seventy-seven thousand, two hundred twenty-one".