85022788 has 12 divisors (see below), whose sum is σ = 148916880. Its totient is φ = 42475112.

The previous prime is 85022771. The next prime is 85022803. The reversal of 85022788 is 88722058.

It is a self number, because there is not a number n which added to its sum of digits gives 85022788.

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, 3406 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (12409740).

Almost surely, 2^85022788 is an apocalyptic number.

It is an amenable number.

85022788 is a deficient number, since it is larger than the sum of its proper divisors (63894092).

85022788 is a wasteful number, since it uses less digits than its factorization.

85022788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146 (or 18144 counting only the distinct ones).

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

The square root of 85022788 is about 9220.7802272910. The cubic root of 85022788 is about 439.7222558441.

The spelling of 85022788 in words is "eighty-five million, twenty-two thousand, seven hundred eighty-eight".