109976479 has 4 divisors (see below), whose sum is σ = 110373784. Its totient is φ = 109579176.

The previous prime is 109976443. The next prime is 109976483. The reversal of 109976479 is 974679901.

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 109976479 - 2⁹ = 109975967 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 (109976429) 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, 198237 + ... + 198790.

It is an arithmetic number, because the mean of its divisors is an integer number (27593446).

Almost surely, 2^109976479 is an apocalyptic number.

109976479 is a deficient number, since it is larger than the sum of its proper divisors (397305).

109976479 is an equidigital number, since it uses as much as digits as its factorization.

109976479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397304.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 109976479 is about 10486.9671020748. The cubic root of 109976479 is about 479.1078320638.

The spelling of 109976479 in words is "one hundred nine million, nine hundred seventy-six thousand, four hundred seventy-nine".