16798977 has 24 divisors (see below), whose sum is σ = 26534144. Its totient is φ = 10178784.

The previous prime is 16798963. The next prime is 16798987. The reversal of 16798977 is 77989761.

It is not a de Polignac number, because 16798977 - 2⁴ = 16798961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16798927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6768 + ... + 8910.

Almost surely, 2^16798977 is an apocalyptic number.

It is an amenable number.

16798977 is a deficient number, since it is larger than the sum of its proper divisors (9735167).

16798977 is a wasteful number, since it uses less digits than its factorization.

16798977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2226 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 54.

The square root of 16798977 is about 4098.6555112622. The cubic root of 16798977 is about 256.1106343504.

The spelling of 16798977 in words is "sixteen million, seven hundred ninety-eight thousand, nine hundred seventy-seven".