109920679 has 8 divisors (see below), whose sum is σ = 121432320. Its totient is φ = 98662200.

The previous prime is 109920677. The next prime is 109920689. The reversal of 109920679 is 976029901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109920679 - 2¹ = 109920677 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 (109920677) 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, 62377 + ... + 64114.

It is an arithmetic number, because the mean of its divisors is an integer number (15179040).

Almost surely, 2^109920679 is an apocalyptic number.

109920679 is a deficient number, since it is larger than the sum of its proper divisors (11511641).

109920679 is a wasteful number, since it uses less digits than its factorization.

109920679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126581.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 109920679 is about 10484.3063194472. The cubic root of 109920679 is about 479.0267882502.

The spelling of 109920679 in words is "one hundred nine million, nine hundred twenty thousand, six hundred seventy-nine".