47259457717 has 16 divisors (see below), whose sum is σ = 53163995760. Its totient is φ = 41785003008.

The previous prime is 47259457711. The next prime is 47259457783. The reversal of 47259457717 is 71775495274.

It can be written as a sum of positive squares in 8 ways, for example, as 7127749476 + 40131708241 = 84426^2 + 200329^2 .

It is a cyclic number.

It is not a de Polignac number, because 47259457717 - 2²³ = 47251069109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47259457711) 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, 1277178 + ... + 1313659.

It is an arithmetic number, because the mean of its divisors is an integer number (3322749735).

Almost surely, 2^47259457717 is an apocalyptic number.

It is an amenable number.

47259457717 is a deficient number, since it is larger than the sum of its proper divisors (5904538043).

47259457717 is a wasteful number, since it uses less digits than its factorization.

47259457717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590920.

The product of its digits is 17287200, while the sum is 58.

The spelling of 47259457717 in words is "forty-seven billion, two hundred fifty-nine million, four hundred fifty-seven thousand, seven hundred seventeen".