3878263629 has 12 divisors (see below), whose sum is σ = 5608044000. Its totient is φ = 2582690184.

The previous prime is 3878263619. The next prime is 3878263661. The reversal of 3878263629 is 9263628783.

It is a happy number.

3878263629 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 2 + 6 + 3 + 629 = 666.

It is not a de Polignac number, because 3878263629 - 2²³ = 3869875021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878263619) 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, 226179 + ... + 242720.

It is an arithmetic number, because the mean of its divisors is an integer number (467337000).

Almost surely, 2^3878263629 is an apocalyptic number.

It is an amenable number.

3878263629 is a deficient number, since it is larger than the sum of its proper divisors (1729780371).

3878263629 is a wasteful number, since it uses less digits than its factorization.

3878263629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469824 (or 469821 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 3878263629 is about 62275.7065716640. The cubic root of 3878263629 is about 1571.1311616404.

The spelling of 3878263629 in words is "three billion, eight hundred seventy-eight million, two hundred sixty-three thousand, six hundred twenty-nine".