85282577 has 4 divisors (see below), whose sum is σ = 85655220. Its totient is φ = 84909936.

The previous prime is 85282567. The next prime is 85282579. The reversal of 85282577 is 77528258.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46730896 + 38551681 = 6836^2 + 6209^2 .

It is a cyclic number.

It is not a de Polignac number, because 85282577 - 2⁶ = 85282513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85282579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185978 + ... + 186435.

It is an arithmetic number, because the mean of its divisors is an integer number (21413805).

Almost surely, 2^85282577 is an apocalyptic number.

It is an amenable number.

85282577 is a deficient number, since it is larger than the sum of its proper divisors (372643).

85282577 is a wasteful number, since it uses less digits than its factorization.

85282577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372642.

The product of its digits is 313600, while the sum is 44.

The square root of 85282577 is about 9234.8566312640. The cubic root of 85282577 is about 440.1696608113.

The spelling of 85282577 in words is "eighty-five million, two hundred eighty-two thousand, five hundred seventy-seven".