3878900265 has 16 divisors (see below), whose sum is σ = 6406442496. Its totient is φ = 2002012800.

The previous prime is 3878900227. The next prime is 3878900273. The reversal of 3878900265 is 5620098783.

3878900265 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3878900265 - 2⁸ = 3878900009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4170396 + ... + 4171325.

It is an arithmetic number, because the mean of its divisors is an integer number (400402656).

Almost surely, 2^3878900265 is an apocalyptic number.

It is an amenable number.

3878900265 is a deficient number, since it is larger than the sum of its proper divisors (2527542231).

3878900265 is a wasteful number, since it uses less digits than its factorization.

3878900265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341760.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 3878900265 is about 62280.8177932821. The cubic root of 3878900265 is about 1571.2171265659.

The spelling of 3878900265 in words is "three billion, eight hundred seventy-eight million, nine hundred thousand, two hundred sixty-five".