16484977 has 2 divisors, whose sum is σ = 16484978. Its totient is φ = 16484976.

The previous prime is 16484957. The next prime is 16484987. The reversal of 16484977 is 77948461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15968016 + 516961 = 3996^2 + 719^2 .

It is an emirp because it is prime and its reverse (77948461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16484977 - 2¹¹ = 16482929 is a prime.

It is not a weakly prime, because it can be changed into another prime (16484957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8242488 + 8242489.

It is an arithmetic number, because the mean of its divisors is an integer number (8242489).

Almost surely, 2^16484977 is an apocalyptic number.

It is an amenable number.

16484977 is a deficient number, since it is larger than the sum of its proper divisors (1).

16484977 is an equidigital number, since it uses as much as digits as its factorization.

16484977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 16484977 is about 4060.1695777393. The cubic root of 16484977 is about 254.5048806194.

The spelling of 16484977 in words is "sixteen million, four hundred eighty-four thousand, nine hundred seventy-seven".