3971631458879 has 16 divisors (see below), whose sum is σ = 4540777496640. Its totient is φ = 3402928273920.

The previous prime is 3971631458869. The next prime is 3971631458903. The reversal of 3971631458879 is 9788541361793.

It is not a de Polignac number, because 3971631458879 - 2²⁰ = 3971630410303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971631458869) 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, 277322039 + ... + 277336359.

It is an arithmetic number, because the mean of its divisors is an integer number (283798593540).

Almost surely, 2^{3971631458879} is an apocalyptic number.

3971631458879 is a deficient number, since it is larger than the sum of its proper divisors (569146037761).

3971631458879 is a wasteful number, since it uses less digits than its factorization.

3971631458879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27010.

The product of its digits is 274337280, while the sum is 71.

The spelling of 3971631458879 in words is "three trillion, nine hundred seventy-one billion, six hundred thirty-one million, four hundred fifty-eight thousand, eight hundred seventy-nine".