105887790259 has 4 divisors (see below), whose sum is σ = 106117482240. Its totient is φ = 105658098280.

The previous prime is 105887790233. The next prime is 105887790311. The reversal of 105887790259 is 952097788501.

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 105887790259 - 2⁵ = 105887790227 is a prime.

It is a super-2 number, since 2×105887790259² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105887790197 and 105887790206.

It is not an unprimeable number, because it can be changed into a prime (105887790209) 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, 114845299 + ... + 114846220.

It is an arithmetic number, because the mean of its divisors is an integer number (26529370560).

Almost surely, 2^105887790259 is an apocalyptic number.

105887790259 is a deficient number, since it is larger than the sum of its proper divisors (229691981).

105887790259 is an equidigital number, since it uses as much as digits as its factorization.

105887790259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229691980.

The product of its (nonzero) digits is 12700800, while the sum is 61.

The spelling of 105887790259 in words is "one hundred five billion, eight hundred eighty-seven million, seven hundred ninety thousand, two hundred fifty-nine".