85502183420 has 24 divisors (see below), whose sum is σ = 180338676000. Its totient is φ = 34051522752.

The previous prime is 85502183411. The next prime is 85502183467. The reversal of 85502183420 is 2438120558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9329720 + ... + 9338879.

It is an arithmetic number, because the mean of its divisors is an integer number (7514111500).

Almost surely, 2^85502183420 is an apocalyptic number.

It is an amenable number.

85502183420 is an abundant number, since it is smaller than the sum of its proper divisors (94836492580).

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

85502183420 is a wasteful number, since it uses less digits than its factorization.

85502183420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18668837 (or 18668835 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 85502183420 in words is "eighty-five billion, five hundred two million, one hundred eighty-three thousand, four hundred twenty".