85353802920 has 128 divisors (see below), whose sum is σ = 290566310400. Its totient is φ = 22276723968.

The previous prime is 85353802901. The next prime is 85353802927. The reversal of 85353802920 is 2920835358.

85353802920 is a `hidden beast` number, since 8 + 5 + 353 + 8 + 0 + 292 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (85353802927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789999 + ... + 891518.

It is an arithmetic number, because the mean of its divisors is an integer number (2270049300).

Almost surely, 2^85353802920 is an apocalyptic number.

It is an amenable number.

85353802920 is an abundant number, since it is smaller than the sum of its proper divisors (205212507480).

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

85353802920 is a wasteful number, since it uses less digits than its factorization.

85353802920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681584 (or 1681574 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 85353802920 in words is "eighty-five billion, three hundred fifty-three million, eight hundred two thousand, nine hundred twenty".