109798478 has 16 divisors (see below), whose sum is σ = 176021424. Its totient is φ = 51185280.

The previous prime is 109798477. The next prime is 109798483. The reversal of 109798478 is 874897901.

It is a super-2 number, since 2×109798478² = 24111411542232968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109798477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11453 + ... + 18728.

It is an arithmetic number, because the mean of its divisors is an integer number (11001339).

Almost surely, 2^109798478 is an apocalyptic number.

109798478 is a deficient number, since it is larger than the sum of its proper divisors (66222946).

109798478 is a wasteful number, since it uses less digits than its factorization.

109798478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30307.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 109798478 is about 10478.4768931367. The cubic root of 109798478 is about 478.8492078988.

The spelling of 109798478 in words is "one hundred nine million, seven hundred ninety-eight thousand, four hundred seventy-eight".