3947626875 has 30 divisors (see below), whose sum is σ = 6581808772. Its totient is φ = 2103950000.

The previous prime is 3947626871. The next prime is 3947626877. The reversal of 3947626875 is 5786267493.

3947626875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3947626875 - 2² = 3947626871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3947626871) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2719900 + ... + 2721350.

Almost surely, 2^3947626875 is an apocalyptic number.

3947626875 is a deficient number, since it is larger than the sum of its proper divisors (2634181897).

3947626875 is an frugal number, since it uses more digits than its factorization.

3947626875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 1459 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The square root of 3947626875 is about 62830.1430445610. The cubic root of 3947626875 is about 1580.4424967694.

The spelling of 3947626875 in words is "three billion, nine hundred forty-seven million, six hundred twenty-six thousand, eight hundred seventy-five".