109628863 has 4 divisors (see below), whose sum is σ = 111961440. Its totient is φ = 107296288.

The previous prime is 109628839. The next prime is 109628867. The reversal of 109628863 is 368826901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109628863 - 2²⁵ = 76074431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109628867) 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, 1166218 + ... + 1166311.

It is an arithmetic number, because the mean of its divisors is an integer number (27990360).

Almost surely, 2^109628863 is an apocalyptic number.

109628863 is a deficient number, since it is larger than the sum of its proper divisors (2332577).

109628863 is an equidigital number, since it uses as much as digits as its factorization.

109628863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332576.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 109628863 is about 10470.3802700762. The cubic root of 109628863 is about 478.6025078587.

The spelling of 109628863 in words is "one hundred nine million, six hundred twenty-eight thousand, eight hundred sixty-three".