3881001378 has 32 divisors (see below), whose sum is σ = 7993187136. Its totient is φ = 1255520448.

The previous prime is 3881001367. The next prime is 3881001403. The reversal of 3881001378 is 8731001883.

3881001378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 7401 + ... + 88412.

It is an arithmetic number, because the mean of its divisors is an integer number (249787098).

Almost surely, 2^3881001378 is an apocalyptic number.

3881001378 is an abundant number, since it is smaller than the sum of its proper divisors (4112185758).

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

3881001378 is a wasteful number, since it uses less digits than its factorization.

3881001378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96018.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 3881001378 is about 62297.6835684923. The cubic root of 3881001378 is about 1571.5007730123.

The spelling of 3881001378 in words is "three billion, eight hundred eighty-one million, one thousand, three hundred seventy-eight".