85294278 has 48 divisors (see below), whose sum is σ = 194847120. Its totient is φ = 26924352.

The previous prime is 85294271. The next prime is 85294333. The reversal of 85294278 is 87249258.

It is a super-2 number, since 2×85294278² = 14550227719082568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85294271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26125 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (4059315).

Almost surely, 2^85294278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85294278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97423560).

85294278 is an abundant number, since it is smaller than the sum of its proper divisors (109552842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85294278 is a wasteful number, since it uses less digits than its factorization.

85294278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3170 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 85294278 is about 9235.4901331765. The cubic root of 85294278 is about 440.1897907130.

It can be divided in two parts, 85294 and 278, that multiplied together give a palindrome (23711732).

The spelling of 85294278 in words is "eighty-five million, two hundred ninety-four thousand, two hundred seventy-eight".