16872907 has 2 divisors, whose sum is σ = 16872908. Its totient is φ = 16872906.

The previous prime is 16872883. The next prime is 16872913. The reversal of 16872907 is 70927861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16872907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16872907.

It is not a weakly prime, because it can be changed into another prime (16872917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436453 + 8436454.

It is an arithmetic number, because the mean of its divisors is an integer number (8436454).

Almost surely, 2^16872907 is an apocalyptic number.

16872907 is a deficient number, since it is larger than the sum of its proper divisors (1).

16872907 is an equidigital number, since it uses as much as digits as its factorization.

16872907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 16872907 is about 4107.6644215418. The cubic root of 16872907 is about 256.4857871789.

The spelling of 16872907 in words is "sixteen million, eight hundred seventy-two thousand, nine hundred seven".