3872357872 has 10 divisors (see below), whose sum is σ = 7502693408. Its totient is φ = 1936178928.

The previous prime is 3872357861. The next prime is 3872357891. The reversal of 3872357872 is 2787532783.

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 as a sum of consecutive naturals, namely, 121011168 + ... + 121011199.

Almost surely, 2^3872357872 is an apocalyptic number.

It is an amenable number.

3872357872 is a deficient number, since it is larger than the sum of its proper divisors (3630335536).

3872357872 is a wasteful number, since it uses less digits than its factorization.

3872357872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242022375 (or 242022369 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 52.

The square root of 3872357872 is about 62228.2722884060. The cubic root of 3872357872 is about 1570.3332588021. Note that the first 3 decimals are identical.

The spelling of 3872357872 in words is "three billion, eight hundred seventy-two million, three hundred fifty-seven thousand, eight hundred seventy-two".