85367278 has 4 divisors (see below), whose sum is σ = 128050920. Its totient is φ = 42683638.

The previous prime is 85367263. The next prime is 85367279. The reversal of 85367278 is 87276358.

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 (85367279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21341818 + ... + 21341821.

It is an arithmetic number, because the mean of its divisors is an integer number (32012730).

Almost surely, 2^85367278 is an apocalyptic number.

85367278 is a deficient number, since it is larger than the sum of its proper divisors (42683642).

85367278 is a wasteful number, since it uses less digits than its factorization.

85367278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42683641.

The product of its digits is 564480, while the sum is 46.

The square root of 85367278 is about 9239.4414333335. The cubic root of 85367278 is about 440.3153352491.

The spelling of 85367278 in words is "eighty-five million, three hundred sixty-seven thousand, two hundred seventy-eight".