109379479 has 8 divisors (see below), whose sum is σ = 126342288. Its totient is φ = 93586560.

The previous prime is 109379471. The next prime is 109379497. The reversal of 109379479 is 974973901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109379479 - 2³ = 109379471 is a prime.

It is a super-2 number, since 2×109379479² = 23927740852622882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109379471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292272 + ... + 292645.

It is an arithmetic number, because the mean of its divisors is an integer number (15792786).

Almost surely, 2^109379479 is an apocalyptic number.

109379479 is a deficient number, since it is larger than the sum of its proper divisors (16962809).

109379479 is a wasteful number, since it uses less digits than its factorization.

109379479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584945.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 109379479 is about 10458.4644666414. The cubic root of 109379479 is about 478.2393236183.

The spelling of 109379479 in words is "one hundred nine million, three hundred seventy-nine thousand, four hundred seventy-nine".