85389230812 has 6 divisors (see below), whose sum is σ = 149431153928. Its totient is φ = 42694615404.

The previous prime is 85389230791. The next prime is 85389230821. The reversal of 85389230812 is 21803298358.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10673653848 + ... + 10673653855.

Almost surely, 2^85389230812 is an apocalyptic number.

It is an amenable number.

85389230812 is a deficient number, since it is larger than the sum of its proper divisors (64041923116).

85389230812 is a wasteful number, since it uses less digits than its factorization.

85389230812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347307707 (or 21347307705 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 85389230812 in words is "eighty-five billion, three hundred eighty-nine million, two hundred thirty thousand, eight hundred twelve".