85858414420 has 96 divisors (see below), whose sum is σ = 195063966720. Its totient is φ = 31646630400.

The previous prime is 85858414393. The next prime is 85858414471. The reversal of 85858414420 is 2441485858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6169470 + ... + 6183370.

It is an arithmetic number, because the mean of its divisors is an integer number (2031916320).

Almost surely, 2^85858414420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85858414420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97531983360).

85858414420 is an abundant number, since it is smaller than the sum of its proper divisors (109205552300).

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

85858414420 is a wasteful number, since it uses less digits than its factorization.

85858414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14425 (or 14423 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 49.

The spelling of 85858414420 in words is "eighty-five billion, eight hundred fifty-eight million, four hundred fourteen thousand, four hundred twenty".