85388208830 has 16 divisors (see below), whose sum is σ = 153754372800. Its totient is φ = 34142928672.

The previous prime is 85388208811. The next prime is 85388208839. The reversal of 85388208830 is 3880288358.

It is a happy number.

It is a super-2 number, since 2×85388208830² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85388208839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515305 + ... + 1570644.

It is an arithmetic number, because the mean of its divisors is an integer number (9609648300).

Almost surely, 2^85388208830 is an apocalyptic number.

85388208830 is a deficient number, since it is larger than the sum of its proper divisors (68366163970).

85388208830 is a wasteful number, since it uses less digits than its factorization.

85388208830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088723.

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 85388208830 in words is "eighty-five billion, three hundred eighty-eight million, two hundred eight thousand, eight hundred thirty".