16975887 has 8 divisors (see below), whose sum is σ = 22953600. Its totient is φ = 11157720.

The previous prime is 16975867. The next prime is 16975891. The reversal of 16975887 is 78857961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16975887 - 2¹⁰ = 16974863 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16975867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39637 + ... + 40062.

It is an arithmetic number, because the mean of its divisors is an integer number (2869200).

Almost surely, 2^16975887 is an apocalyptic number.

16975887 is a deficient number, since it is larger than the sum of its proper divisors (5977713).

16975887 is an equidigital number, since it uses as much as digits as its factorization.

16975887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79773.

The product of its digits is 846720, while the sum is 51.

The square root of 16975887 is about 4120.1804572130. The cubic root of 16975887 is about 257.0065303392.

The spelling of 16975887 in words is "sixteen million, nine hundred seventy-five thousand, eight hundred eighty-seven".