85802278 has 8 divisors (see below), whose sum is σ = 129643272. Its totient is φ = 42587856.

The previous prime is 85802273. The next prime is 85802279. The reversal of 85802278 is 87220858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85802278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85802273) 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, 156300 + ... + 156847.

It is an arithmetic number, because the mean of its divisors is an integer number (16205409).

Almost surely, 2^85802278 is an apocalyptic number.

85802278 is a deficient number, since it is larger than the sum of its proper divisors (43840994).

85802278 is a wasteful number, since it uses less digits than its factorization.

85802278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313286.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 85802278 is about 9262.9519053053. The cubic root of 85802278 is about 441.0619630713.

The spelling of 85802278 in words is "eighty-five million, eight hundred two thousand, two hundred seventy-eight".