16880687 has 2 divisors, whose sum is σ = 16880688. Its totient is φ = 16880686.

The previous prime is 16880681. The next prime is 16880693. The reversal of 16880687 is 78608861.

It is a balanced prime because it is at equal distance from previous prime (16880681) and next prime (16880693).

It is an emirp because it is prime and its reverse (78608861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16880687 - 2¹⁴ = 16864303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16880681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8440343 + 8440344.

It is an arithmetic number, because the mean of its divisors is an integer number (8440344).

Almost surely, 2^16880687 is an apocalyptic number.

16880687 is a deficient number, since it is larger than the sum of its proper divisors (1).

16880687 is an equidigital number, since it uses as much as digits as its factorization.

16880687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 16880687 is about 4108.6113225760. The cubic root of 16880687 is about 256.5252024933.

The spelling of 16880687 in words is "sixteen million, eight hundred eighty thousand, six hundred eighty-seven".