85092278 has 32 divisors (see below), whose sum is σ = 135129600. Its totient is φ = 40148064.

The previous prime is 85092269. The next prime is 85092281. The reversal of 85092278 is 87229058.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371468 + ... + 371696.

It is an arithmetic number, because the mean of its divisors is an integer number (4222800).

Almost surely, 2^85092278 is an apocalyptic number.

85092278 is a deficient number, since it is larger than the sum of its proper divisors (50037322).

85092278 is a wasteful number, since it uses less digits than its factorization.

85092278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 85092278 is about 9224.5475769818. The cubic root of 85092278 is about 439.8420197309.

The spelling of 85092278 in words is "eighty-five million, ninety-two thousand, two hundred seventy-eight".