105717950686 has 4 divisors (see below), whose sum is σ = 158576926032. Its totient is φ = 52858975342.

The previous prime is 105717950659. The next prime is 105717950719. The reversal of 105717950686 is 686059717501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105717950686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26429487670 + ... + 26429487673.

It is an arithmetic number, because the mean of its divisors is an integer number (39644231508).

Almost surely, 2^105717950686 is an apocalyptic number.

105717950686 is a deficient number, since it is larger than the sum of its proper divisors (52858975346).

105717950686 is an equidigital number, since it uses as much as digits as its factorization.

105717950686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52858975345.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 105717950686 in words is "one hundred five billion, seven hundred seventeen million, nine hundred fifty thousand, six hundred eighty-six".