85024903989 has 16 divisors (see below), whose sum is σ = 118927509120. Its totient is φ = 53957843520.

The previous prime is 85024903967. The next prime is 85024904021. The reversal of 85024903989 is 98930942058.

It is not a de Polignac number, because 85024903989 - 2¹⁶ = 85024838453 is a prime.

It is a super-2 number, since 2×85024903989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85024903889) 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 15 ways as a sum of consecutive naturals, for example, 6876202 + ... + 6888555.

It is an arithmetic number, because the mean of its divisors is an integer number (7432969320).

Almost surely, 2^85024903989 is an apocalyptic number.

It is an amenable number.

85024903989 is a deficient number, since it is larger than the sum of its proper divisors (33902605131).

85024903989 is a wasteful number, since it uses less digits than its factorization.

85024903989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764860.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 85024903989 in words is "eighty-five billion, twenty-four million, nine hundred three thousand, nine hundred eighty-nine".