85234280 has 16 divisors (see below), whose sum is σ = 191777220. Its totient is φ = 34093696.

The previous prime is 85234271. The next prime is 85234301. The reversal of 85234280 is 8243258.

It can be written as a sum of positive squares in 2 ways, for example, as 82337476 + 2896804 = 9074^2 + 1702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065389 + ... + 1065468.

Almost surely, 2^85234280 is an apocalyptic number.

It is an amenable number.

85234280 is an abundant number, since it is smaller than the sum of its proper divisors (106542940).

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

85234280 is a wasteful number, since it uses less digits than its factorization.

85234280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130868 (or 2130864 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 85234280 is about 9232.2413313344. The cubic root of 85234280 is about 440.0865532208.

The spelling of 85234280 in words is "eighty-five million, two hundred thirty-four thousand, two hundred eighty".