85074255 has 96 divisors (see below), whose sum is σ = 178214400. Its totient is φ = 36723456.

The previous prime is 85074251. The next prime is 85074257. The reversal of 85074255 is 55247058.

85074255 = 240² + 241² + ... + 645².

It is a happy number.

It is not a de Polignac number, because 85074255 - 2² = 85074251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85074251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 611976 + ... + 612114.

It is an arithmetic number, because the mean of its divisors is an integer number (1856400).

Almost surely, 2^85074255 is an apocalyptic number.

85074255 is an abundant number, since it is smaller than the sum of its proper divisors (93140145).

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

85074255 is a wasteful number, since it uses less digits than its factorization.

85074255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 85074255 is about 9223.5706209689. The cubic root of 85074255 is about 439.8109639067.

The spelling of 85074255 in words is "eighty-five million, seventy-four thousand, two hundred fifty-five".