3941775678 has 32 divisors (see below), whose sum is σ = 8039764512. Its totient is φ = 1287936000.

The previous prime is 3941775661. The next prime is 3941775689. The reversal of 3941775678 is 8765771493.

It is a happy number.

It is a congruent number.

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, 376758 + ... + 387078.

It is an arithmetic number, because the mean of its divisors is an integer number (251242641).

Almost surely, 2^3941775678 is an apocalyptic number.

3941775678 is an abundant number, since it is smaller than the sum of its proper divisors (4097988834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3941775678 is a wasteful number, since it uses less digits than its factorization.

3941775678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11580.

The product of its digits is 8890560, while the sum is 57.

The square root of 3941775678 is about 62783.5621639932. The cubic root of 3941775678 is about 1579.6612634406.

The spelling of 3941775678 in words is "three billion, nine hundred forty-one million, seven hundred seventy-five thousand, six hundred seventy-eight".