85487121204 has 48 divisors (see below), whose sum is σ = 199986192000. Its totient is φ = 28422050176.

The previous prime is 85487121199. The next prime is 85487121227. The reversal of 85487121204 is 40212178458.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8829214 + ... + 8838890.

It is an arithmetic number, because the mean of its divisors is an integer number (4166379000).

Almost surely, 2^85487121204 is an apocalyptic number.

It is an amenable number.

85487121204 is an abundant number, since it is smaller than the sum of its proper divisors (114499070796).

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

85487121204 is a wasteful number, since it uses less digits than its factorization.

85487121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 85487121204 in words is "eighty-five billion, four hundred eighty-seven million, one hundred twenty-one thousand, two hundred four".