84255161 has 4 divisors (see below), whose sum is σ = 86047872. Its totient is φ = 82462452.

The previous prime is 84255089. The next prime is 84255163. The reversal of 84255161 is 16155248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84255161 - 2¹⁸ = 83993017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84255163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896285 + ... + 896378.

It is an arithmetic number, because the mean of its divisors is an integer number (21511968).

Almost surely, 2^84255161 is an apocalyptic number.

It is an amenable number.

84255161 is a deficient number, since it is larger than the sum of its proper divisors (1792711).

84255161 is a wasteful number, since it uses less digits than its factorization.

84255161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792710.

The product of its digits is 9600, while the sum is 32.

The square root of 84255161 is about 9179.0610086217. The cubic root of 84255161 is about 438.3949111670.

The spelling of 84255161 in words is "eighty-four million, two hundred fifty-five thousand, one hundred sixty-one".