109478835 has 24 divisors (see below), whose sum is σ = 192879024. Its totient is φ = 57430080.

The previous prime is 109478813. The next prime is 109478843. The reversal of 109478835 is 538874901.

It is not a de Polignac number, because 109478835 - 2¹⁵ = 109446067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17197 + ... + 22686.

It is an arithmetic number, because the mean of its divisors is an integer number (8036626).

Almost surely, 2^109478835 is an apocalyptic number.

109478835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109478835 is a deficient number, since it is larger than the sum of its proper divisors (83400189).

109478835 is a wasteful number, since it uses less digits than its factorization.

109478835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39955 (or 39952 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 109478835 is about 10463.2134165370. The cubic root of 109478835 is about 478.3840843684.

The spelling of 109478835 in words is "one hundred nine million, four hundred seventy-eight thousand, eight hundred thirty-five".