3973885047 has 12 divisors (see below), whose sum is σ = 6261879624. Its totient is φ = 2408415120.

The previous prime is 3973885037. The next prime is 3973885061. The reversal of 3973885047 is 7405883793.

It is not a de Polignac number, because 3973885047 - 2⁶ = 3973884983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3973884984 and 3973885002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973885037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20070028 + ... + 20070225.

It is an arithmetic number, because the mean of its divisors is an integer number (521823302).

Almost surely, 2^3973885047 is an apocalyptic number.

3973885047 is a deficient number, since it is larger than the sum of its proper divisors (2287994577).

3973885047 is a wasteful number, since it uses less digits than its factorization.

3973885047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140270 (or 40140267 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 3973885047 is about 63038.7582920222. The cubic root of 3973885047 is about 1583.9389312525.

The spelling of 3973885047 in words is "three billion, nine hundred seventy-three million, eight hundred eighty-five thousand, forty-seven".