3957047956279 has 16 divisors (see below), whose sum is σ = 4319959754880. Its totient is φ = 3594666872160.

The previous prime is 3957047956181. The next prime is 3957047956289. The reversal of 3957047956279 is 9726597407593.

It is a cyclic number.

It is not a de Polignac number, because 3957047956279 - 2²³ = 3957039567671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957047956289) 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, 165769957 + ... + 165793825.

It is an arithmetic number, because the mean of its divisors is an integer number (269997484680).

Almost surely, 2^{3957047956279} is an apocalyptic number.

3957047956279 is a deficient number, since it is larger than the sum of its proper divisors (362911798601).

3957047956279 is a wasteful number, since it uses less digits than its factorization.

3957047956279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34350.

The product of its (nonzero) digits is 900169200, while the sum is 73.

The spelling of 3957047956279 in words is "three trillion, nine hundred fifty-seven billion, forty-seven million, nine hundred fifty-six thousand, two hundred seventy-nine".