85228941312 has 728 divisors, whose sum is σ = 286201927584. Its totient is φ = 25225592832.

The previous prime is 85228941277. The next prime is 85228941353. The reversal of 85228941312 is 21314982258.

85228941312 is a `hidden beast` number, since 8 + 5 + 228 + 9 + 413 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1167519708 + ... + 1167519780.

Almost surely, 2^85228941312 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 85228941312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143100963792).

85228941312 is an abundant number, since it is smaller than the sum of its proper divisors (200972986272).

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

85228941312 is an equidigital number, since it uses as much as digits as its factorization.

85228941312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 118 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 85228941312 in words is "eighty-five billion, two hundred twenty-eight million, nine hundred forty-one thousand, three hundred twelve".