109579478 has 12 divisors (see below), whose sum is σ = 166495140. Its totient is φ = 54090036.

The previous prime is 109579469. The next prime is 109579489. The reversal of 109579478 is 874975901.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8093 + ... + 16871.

It is an arithmetic number, because the mean of its divisors is an integer number (13874595).

Almost surely, 2^109579478 is an apocalyptic number.

109579478 is a deficient number, since it is larger than the sum of its proper divisors (56915662).

109579478 is an frugal number, since it uses more digits than its factorization.

109579478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939 (or 8860 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 109579478 is about 10468.0216851132. The cubic root of 109579478 is about 478.5306310001.

The spelling of 109579478 in words is "one hundred nine million, five hundred seventy-nine thousand, four hundred seventy-eight".