16868877 has 4 divisors (see below), whose sum is σ = 22491840. Its totient is φ = 11245916.

The previous prime is 16868869. The next prime is 16868897. The reversal of 16868877 is 77886861.

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.

It is a cyclic number.

It is not a de Polignac number, because 16868877 - 2³ = 16868869 is a prime.

It is a super-2 number, since 2×16868877² = 569118022482258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868897) 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, 2811477 + ... + 2811482.

It is an arithmetic number, because the mean of its divisors is an integer number (5622960).

Almost surely, 2^16868877 is an apocalyptic number.

It is an amenable number.

16868877 is a deficient number, since it is larger than the sum of its proper divisors (5622963).

16868877 is an equidigital number, since it uses as much as digits as its factorization.

16868877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622962.

The product of its digits is 903168, while the sum is 51.

The square root of 16868877 is about 4107.1738458458. The cubic root of 16868877 is about 256.4653654850.

The spelling of 16868877 in words is "sixteen million, eight hundred sixty-eight thousand, eight hundred seventy-seven".