855792290122 has 64 divisors (see below), whose sum is σ = 1636098278400. Its totient is φ = 332814409200.

The previous prime is 855792290053. The next prime is 855792290123. The reversal of 855792290122 is 221092297558.

It is a self number, because there is not a number n which added to its sum of digits gives 855792290122.

It is not an unprimeable number, because it can be changed into a prime (855792290123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4023997 + ... + 4231327.

It is an arithmetic number, because the mean of its divisors is an integer number (25564035600).

Almost surely, 2^855792290122 is an apocalyptic number.

855792290122 is a deficient number, since it is larger than the sum of its proper divisors (780305988278).

855792290122 is a wasteful number, since it uses less digits than its factorization.

855792290122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207912 (or 207898 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 855792290122 in words is "eight hundred fifty-five billion, seven hundred ninety-two million, two hundred ninety thousand, one hundred twenty-two".