850001107782 has 16 divisors (see below), whose sum is σ = 1700026555392. Its totient is φ = 283329645960.

The previous prime is 850001107741. The next prime is 850001107807. The reversal of 850001107782 is 287701100058.

It is a self number, because there is not a number n which added to its sum of digits gives 850001107782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543358 + ... + 1412529.

It is an arithmetic number, because the mean of its divisors is an integer number (106251659712).

Almost surely, 2^850001107782 is an apocalyptic number.

850001107782 is an abundant number, since it is smaller than the sum of its proper divisors (850025447610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850001107782 is a wasteful number, since it uses less digits than its factorization.

850001107782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028323.

The product of its (nonzero) digits is 31360, while the sum is 39.

The spelling of 850001107782 in words is "eight hundred fifty billion, one million, one hundred seven thousand, seven hundred eighty-two".