85387024800 has 1440 divisors, whose sum is σ = 394283514240. Its totient is φ = 17468006400.

The previous prime is 85387024753. The next prime is 85387024817. The reversal of 85387024800 is 842078358.

85387024800 is a `hidden beast` number, since 8 + 538 + 70 + 2 + 48 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 543866322 + ... + 543866478.

It is an arithmetic number, because the mean of its divisors is an integer number (273807996).

Almost surely, 2^85387024800 is an apocalyptic number.

85387024800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85387024800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197141757120).

85387024800 is an abundant number, since it is smaller than the sum of its proper divisors (308896489440).

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

85387024800 is a wasteful number, since it uses less digits than its factorization.

85387024800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 85387024800 in words is "eighty-five billion, three hundred eighty-seven million, twenty-four thousand, eight hundred".