47579135957 has 2 divisors, whose sum is σ = 47579135958. Its totient is φ = 47579135956.

The previous prime is 47579135939. The next prime is 47579135987. The reversal of 47579135957 is 75953197574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36249875236 + 11329260721 = 190394^2 + 106439^2 .

It is a cyclic number.

It is not a de Polignac number, because 47579135957 - 2⁸ = 47579135701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47579135957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47579135987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23789567978 + 23789567979.

It is an arithmetic number, because the mean of its divisors is an integer number (23789567979).

Almost surely, 2^47579135957 is an apocalyptic number.

It is an amenable number.

47579135957 is a deficient number, since it is larger than the sum of its proper divisors (1).

47579135957 is an equidigital number, since it uses as much as digits as its factorization.

47579135957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41674500, while the sum is 62.

The spelling of 47579135957 in words is "forty-seven billion, five hundred seventy-nine million, one hundred thirty-five thousand, nine hundred fifty-seven".