16880477 has 2 divisors, whose sum is σ = 16880478. Its totient is φ = 16880476.

The previous prime is 16880471. The next prime is 16880491. The reversal of 16880477 is 77408861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9665881 + 7214596 = 3109^2 + 2686^2 .

It is a cyclic number.

It is not a de Polignac number, because 16880477 - 2⁸ = 16880221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16880471) 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, 8440238 + 8440239.

It is an arithmetic number, because the mean of its divisors is an integer number (8440239).

Almost surely, 2^16880477 is an apocalyptic number.

It is an amenable number.

16880477 is a deficient number, since it is larger than the sum of its proper divisors (1).

16880477 is an equidigital number, since it uses as much as digits as its factorization.

16880477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 16880477 is about 4108.5857664165. The cubic root of 16880477 is about 256.5241387429.

The spelling of 16880477 in words is "sixteen million, eight hundred eighty thousand, four hundred seventy-seven".