109680479 has 4 divisors (see below), whose sum is σ = 111749976. Its totient is φ = 107610984.

The previous prime is 109680463. The next prime is 109680497. The reversal of 109680479 is 974086901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109680479 - 2⁴ = 109680463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109680409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034669 + ... + 1034774.

It is an arithmetic number, because the mean of its divisors is an integer number (27937494).

Almost surely, 2^109680479 is an apocalyptic number.

109680479 is a deficient number, since it is larger than the sum of its proper divisors (2069497).

109680479 is an equidigital number, since it uses as much as digits as its factorization.

109680479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069496.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 109680479 is about 10472.8448379607. The cubic root of 109680479 is about 478.6776087350.

The spelling of 109680479 in words is "one hundred nine million, six hundred eighty thousand, four hundred seventy-nine".