842772255 has 32 divisors (see below), whose sum is σ = 1454423040. Its totient is φ = 414257280.

The previous prime is 842772253. The next prime is 842772257. The reversal of 842772255 is 552277248.

It is an interprime number because it is at equal distance from previous prime (842772253) and next prime (842772257).

It is not a de Polignac number, because 842772255 - 2¹ = 842772253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842772253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 137200 + ... + 143210.

It is an arithmetic number, because the mean of its divisors is an integer number (45450720).

Almost surely, 2^842772255 is an apocalyptic number.

842772255 is a deficient number, since it is larger than the sum of its proper divisors (611650785).

842772255 is a wasteful number, since it uses less digits than its factorization.

842772255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

The product of its digits is 313600, while the sum is 42.

The square root of 842772255 is about 29030.5400397581. The cubic root of 842772255 is about 944.5756444132.

The spelling of 842772255 in words is "eight hundred forty-two million, seven hundred seventy-two thousand, two hundred fifty-five".