16880471 has 2 divisors, whose sum is σ = 16880472. Its totient is φ = 16880470.

The previous prime is 16880453. The next prime is 16880477. The reversal of 16880471 is 17408861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16880471 is a prime.

It is a super-3 number, since 3×16880471³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16880477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8440235 + 8440236.

It is an arithmetic number, because the mean of its divisors is an integer number (8440236).

Almost surely, 2^16880471 is an apocalyptic number.

16880471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16880471 is an equidigital number, since it uses as much as digits as its factorization.

16880471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 16880471 is about 4108.5850362381. The cubic root of 16880471 is about 256.5241083499.

The spelling of 16880471 in words is "sixteen million, eight hundred eighty thousand, four hundred seventy-one".