3888889299 has 20 divisors (see below), whose sum is σ = 6009653760. Its totient is φ = 2503191600.

The previous prime is 3888889273. The next prime is 3888889309. The reversal of 3888889299 is 9929888883.

3888889299 is a `hidden beast` number, since 388 + 88 + 89 + 2 + 99 = 666.

It is not a de Polignac number, because 3888889299 - 2⁷ = 3888889171 is a prime.

It is a super-2 number, since 2×3888889299² = 30246919959753422802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3888889219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 825427 + ... + 830124.

It is an arithmetic number, because the mean of its divisors is an integer number (300482688).

Almost surely, 2^3888889299 is an apocalyptic number.

3888889299 is a deficient number, since it is larger than the sum of its proper divisors (2120764461).

3888889299 is a wasteful number, since it uses less digits than its factorization.

3888889299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655592 (or 1655583 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 72.

The square root of 3888889299 is about 62360.9597344364. The cubic root of 3888889299 is about 1572.5647153849.

The spelling of 3888889299 in words is "three billion, eight hundred eighty-eight million, eight hundred eighty-nine thousand, two hundred ninety-nine".