47157403717 has 2 divisors, whose sum is σ = 47157403718. Its totient is φ = 47157403716.

The previous prime is 47157403673. The next prime is 47157403819. The reversal of 47157403717 is 71730475174.

47157403717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37077042916 + 10080360801 = 192554^2 + 100401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47157403717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47157403417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578701858 + 23578701859.

It is an arithmetic number, because the mean of its divisors is an integer number (23578701859).

Almost surely, 2^47157403717 is an apocalyptic number.

It is an amenable number.

47157403717 is a deficient number, since it is larger than the sum of its proper divisors (1).

47157403717 is an equidigital number, since it uses as much as digits as its factorization.

47157403717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576240, while the sum is 46.

The spelling of 47157403717 in words is "forty-seven billion, one hundred fifty-seven million, four hundred three thousand, seven hundred seventeen".