785022838842 has 128 divisors (see below), whose sum is σ = 1887301140480. Its totient is φ = 215023032000.

The previous prime is 785022838793. The next prime is 785022838907. The reversal of 785022838842 is 248838220587.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2617843 + ... + 2902265.

It is an arithmetic number, because the mean of its divisors is an integer number (14744540160).

Almost surely, 2^785022838842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 785022838842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943650570240).

785022838842 is an abundant number, since it is smaller than the sum of its proper divisors (1102278301638).

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

785022838842 is a wasteful number, since it uses less digits than its factorization.

785022838842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284560.

The product of its (nonzero) digits is 13762560, while the sum is 57.

The spelling of 785022838842 in words is "seven hundred eighty-five billion, twenty-two million, eight hundred thirty-eight thousand, eight hundred forty-two".