47417880857 has 4 divisors (see below), whose sum is σ = 47418364260. Its totient is φ = 47417397456.

The previous prime is 47417880833. The next prime is 47417880859. The reversal of 47417880857 is 75808871474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28077694096 + 19340186761 = 167564^2 + 139069^2 .

It is a cyclic number.

It is not a de Polignac number, because 47417880857 - 2³⁰ = 46344139033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47417880796 and 47417880805.

It is not an unprimeable number, because it can be changed into a prime (47417880859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36482 + ... + 310107.

It is an arithmetic number, because the mean of its divisors is an integer number (11854591065).

Almost surely, 2^47417880857 is an apocalyptic number.

It is an amenable number.

47417880857 is a deficient number, since it is larger than the sum of its proper divisors (483403).

47417880857 is a wasteful number, since it uses less digits than its factorization.

47417880857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483402.

The product of its (nonzero) digits is 14049280, while the sum is 59.

The spelling of 47417880857 in words is "forty-seven billion, four hundred seventeen million, eight hundred eighty thousand, eight hundred fifty-seven".