109572863 has 4 divisors (see below), whose sum is σ = 109690248. Its totient is φ = 109455480.

The previous prime is 109572857. The next prime is 109572887. The reversal of 109572863 is 368275901.

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 109572863 - 2⁴ = 109572847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109572863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109572833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57281 + ... + 59162.

It is an arithmetic number, because the mean of its divisors is an integer number (27422562).

Almost surely, 2^109572863 is an apocalyptic number.

109572863 is a deficient number, since it is larger than the sum of its proper divisors (117385).

109572863 is an equidigital number, since it uses as much as digits as its factorization.

109572863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117384.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 109572863 is about 10467.7057180645. The cubic root of 109572863 is about 478.5210016307.

The spelling of 109572863 in words is "one hundred nine million, five hundred seventy-two thousand, eight hundred sixty-three".