3880774891 has 16 divisors (see below), whose sum is σ = 4469552640. Its totient is φ = 3300664320.

The previous prime is 3880774879. The next prime is 3880774901. The reversal of 3880774891 is 1984770883.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3880774891 - 2⁹ = 3880774379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3880774801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746740 + ... + 751918.

It is an arithmetic number, because the mean of its divisors is an integer number (279347040).

Almost surely, 2^3880774891 is an apocalyptic number.

3880774891 is a deficient number, since it is larger than the sum of its proper divisors (588777749).

3880774891 is a wasteful number, since it uses less digits than its factorization.

3880774891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The square root of 3880774891 is about 62295.8657617020. The cubic root of 3880774891 is about 1571.4702026015.

The spelling of 3880774891 in words is "three billion, eight hundred eighty million, seven hundred seventy-four thousand, eight hundred ninety-one".