17057987047 has 2 divisors, whose sum is σ = 17057987048. Its totient is φ = 17057987046.

The previous prime is 17057987041. The next prime is 17057987071. The reversal of 17057987047 is 74078975071.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17057987047 - 2⁷ = 17057986919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17057987041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8528993523 + 8528993524.

It is an arithmetic number, because the mean of its divisors is an integer number (8528993524).

Almost surely, 2^17057987047 is an apocalyptic number.

17057987047 is a deficient number, since it is larger than the sum of its proper divisors (1).

17057987047 is an equidigital number, since it uses as much as digits as its factorization.

17057987047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3457440, while the sum is 55.

The spelling of 17057987047 in words is "seventeen billion, fifty-seven million, nine hundred eighty-seven thousand, forty-seven".