85842382 has 4 divisors (see below), whose sum is σ = 128763576. Its totient is φ = 42921190.

The previous prime is 85842377. The next prime is 85842389. The reversal of 85842382 is 28324858.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85842389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21460594 + ... + 21460597.

It is an arithmetic number, because the mean of its divisors is an integer number (32190894).

Almost surely, 2^85842382 is an apocalyptic number.

85842382 is a deficient number, since it is larger than the sum of its proper divisors (42921194).

85842382 is a wasteful number, since it uses less digits than its factorization.

85842382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42921193.

The product of its digits is 122880, while the sum is 40.

The square root of 85842382 is about 9265.1164050971. The cubic root of 85842382 is about 441.1306698479.

The spelling of 85842382 in words is "eighty-five million, eight hundred forty-two thousand, three hundred eighty-two".