47315901431879 has 2 divisors, whose sum is σ = 47315901431880. Its totient is φ = 47315901431878.

The previous prime is 47315901431861. The next prime is 47315901431917. The reversal of 47315901431879 is 97813410951374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47315901431879 - 2²⁰ = 47315900383303 is a prime.

It is a super-2 number, since 2×47315901431879² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47315901431479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23657950715939 + 23657950715940.

It is an arithmetic number, because the mean of its divisors is an integer number (23657950715940).

Almost surely, 2^{47315901431879} is an apocalyptic number.

47315901431879 is a deficient number, since it is larger than the sum of its proper divisors (1).

47315901431879 is an equidigital number, since it uses as much as digits as its factorization.

47315901431879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 47315901431879 in words is "forty-seven trillion, three hundred fifteen billion, nine hundred one million, four hundred thirty-one thousand, eight hundred seventy-nine".