85822512 has 40 divisors (see below), whose sum is σ = 227120880. Its totient is φ = 27909120.

The previous prime is 85822507. The next prime is 85822543. The reversal of 85822512 is 21522858.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19837 + ... + 23772.

It is an arithmetic number, because the mean of its divisors is an integer number (5678022).

Almost surely, 2^85822512 is an apocalyptic number.

85822512 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85822512 is an abundant number, since it is smaller than the sum of its proper divisors (141298368).

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

85822512 is a wasteful number, since it uses less digits than its factorization.

85822512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43661 (or 43655 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 85822512 is about 9264.0440413461. The cubic root of 85822512 is about 441.0966309400.

The spelling of 85822512 in words is "eighty-five million, eight hundred twenty-two thousand, five hundred twelve".