105822780599 has 12 divisors (see below), whose sum is σ = 112473352584. Its totient is φ = 99545165184.

The previous prime is 105822780559. The next prime is 105822780601. The reversal of 105822780599 is 995087228501.

It is a de Polignac number, because none of the positive numbers 2^k-105822780599 is a prime.

It is a super-2 number, since 2×105822780599² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105822780509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455117 + ... + 647129.

It is an arithmetic number, because the mean of its divisors is an integer number (9372779382).

Almost surely, 2^105822780599 is an apocalyptic number.

105822780599 is a deficient number, since it is larger than the sum of its proper divisors (6650571985).

105822780599 is a wasteful number, since it uses less digits than its factorization.

105822780599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193954 (or 193937 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 105822780599 in words is "one hundred five billion, eight hundred twenty-two million, seven hundred eighty thousand, five hundred ninety-nine".