105973879 has 4 divisors (see below), whose sum is σ = 115607880. Its totient is φ = 96339880.

The previous prime is 105973877. The next prime is 105973909. The reversal of 105973879 is 978379501.

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 105973879 - 2¹ = 105973877 is a prime.

It is a super-2 number, since 2×105973879² = 22460926060613282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105973873) 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, 4816984 + ... + 4817005.

It is an arithmetic number, because the mean of its divisors is an integer number (28901970).

Almost surely, 2^105973879 is an apocalyptic number.

105973879 is a deficient number, since it is larger than the sum of its proper divisors (9634001).

105973879 is an equidigital number, since it uses as much as digits as its factorization.

105973879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634000.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 105973879 is about 10294.3615149265. The cubic root of 105973879 is about 473.2234714390.

The spelling of 105973879 in words is "one hundred five million, nine hundred seventy-three thousand, eight hundred seventy-nine".