47017666597 has 6 divisors (see below), whose sum is σ = 51680575814. Its totient is φ = 42743333160.

The previous prime is 47017666567. The next prime is 47017666603. The reversal of 47017666597 is 79566671074.

It can be written as a sum of positive squares in only one way, i.e., 44889320641 + 2128345956 = 211871^2 + 46134^2 .

It is not a de Polignac number, because 47017666597 - 2¹¹ = 47017664549 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 (47017666567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194287758 + ... + 194287999.

Almost surely, 2^47017666597 is an apocalyptic number.

It is an amenable number.

47017666597 is a deficient number, since it is larger than the sum of its proper divisors (4662909217).

47017666597 is a wasteful number, since it uses less digits than its factorization.

47017666597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388575779 (or 388575768 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 47017666597 in words is "forty-seven billion, seventeen million, six hundred sixty-six thousand, five hundred ninety-seven".