85851073084 has 36 divisors (see below), whose sum is σ = 174965643216. Its totient is φ = 36751761984.

The previous prime is 85851073003. The next prime is 85851073117. The reversal of 85851073084 is 48037015858.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 11 ways as a sum of consecutive naturals, for example, 73057 + ... + 420760.

It is an arithmetic number, because the mean of its divisors is an integer number (4860156756).

Almost surely, 2^85851073084 is an apocalyptic number.

It is an amenable number.

85851073084 is an abundant number, since it is smaller than the sum of its proper divisors (89114570132).

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

85851073084 is a wasteful number, since it uses less digits than its factorization.

85851073084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494722 (or 494713 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 85851073084 in words is "eighty-five billion, eight hundred fifty-one million, seventy-three thousand, eighty-four".