109775879 has 16 divisors (see below), whose sum is σ = 115458048. Its totient is φ = 104281632.

The previous prime is 109775873. The next prime is 109775881. The reversal of 109775879 is 978577901.

It is a cyclic number.

It is not a de Polignac number, because 109775879 - 2⁸ = 109775623 is a prime.

It is a super-2 number, since 2×109775879² = 24101487220445282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109775879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109775873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316184 + ... + 316530.

It is an arithmetic number, because the mean of its divisors is an integer number (7216128).

Almost surely, 2^109775879 is an apocalyptic number.

109775879 is a deficient number, since it is larger than the sum of its proper divisors (5682169).

109775879 is a wasteful number, since it uses less digits than its factorization.

109775879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 1111320, while the sum is 53.

The square root of 109775879 is about 10477.3984843567. The cubic root of 109775879 is about 478.8163529936.

The spelling of 109775879 in words is "one hundred nine million, seven hundred seventy-five thousand, eight hundred seventy-nine".