109874779 has 4 divisors (see below), whose sum is σ = 125571184. Its totient is φ = 94178376.

The previous prime is 109874773. The next prime is 109874801. The reversal of 109874779 is 977478901.

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 109874779 - 2⁵ = 109874747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109874773) 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, 7848192 + ... + 7848205.

It is an arithmetic number, because the mean of its divisors is an integer number (31392796).

Almost surely, 2^109874779 is an apocalyptic number.

109874779 is a deficient number, since it is larger than the sum of its proper divisors (15696405).

109874779 is an equidigital number, since it uses as much as digits as its factorization.

109874779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15696404.

The product of its (nonzero) digits is 889056, while the sum is 52.

The square root of 109874779 is about 10482.1171048601. The cubic root of 109874779 is about 478.9601026156.

It can be divided in two parts, 10 and 9874779, that added together give a palindrome (9874789).

The spelling of 109874779 in words is "one hundred nine million, eight hundred seventy-four thousand, seven hundred seventy-nine".