16930777 has 4 divisors (see below), whose sum is σ = 17324560. Its totient is φ = 16536996.

The previous prime is 16930769. The next prime is 16930789. The reversal of 16930777 is 77703961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77703961 = 6271 ⋅12391.

It is a cyclic number.

It is not a de Polignac number, because 16930777 - 2³ = 16930769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16930747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196827 + ... + 196912.

It is an arithmetic number, because the mean of its divisors is an integer number (4331140).

Almost surely, 2^16930777 is an apocalyptic number.

It is an amenable number.

16930777 is a deficient number, since it is larger than the sum of its proper divisors (393783).

16930777 is an equidigital number, since it uses as much as digits as its factorization.

16930777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393782.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 16930777 is about 4114.7025408892. The cubic root of 16930777 is about 256.7786807044.

The spelling of 16930777 in words is "sixteen million, nine hundred thirty thousand, seven hundred seventy-seven".