85840862 has 4 divisors (see below), whose sum is σ = 128761296. Its totient is φ = 42920430.

The previous prime is 85840861. The next prime is 85840883. The reversal of 85840862 is 26804858.

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 (85840861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21460214 + ... + 21460217.

It is an arithmetic number, because the mean of its divisors is an integer number (32190324).

Almost surely, 2^85840862 is an apocalyptic number.

85840862 is a deficient number, since it is larger than the sum of its proper divisors (42920434).

85840862 is a wasteful number, since it uses less digits than its factorization.

85840862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42920433.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 85840862 is about 9265.0343766227. The cubic root of 85840862 is about 441.1280661512.

The spelling of 85840862 in words is "eighty-five million, eight hundred forty thousand, eight hundred sixty-two".