85847040000 has 980 divisors, whose sum is σ = 335641666536. Its totient is φ = 21897216000.

The previous prime is 85847039983. The next prime is 85847040001. The reversal of 85847040000 is 4074858.

85847040000 is a `hidden beast` number, since 8 + 584 + 70 + 4 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85847040001) by changing a digit.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 3732479989 + ... + 3732480011.

Almost surely, 2^85847040000 is an apocalyptic number.

85847040000 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 85847040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167820833268).

85847040000 is an abundant number, since it is smaller than the sum of its proper divisors (249794626536).

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

85847040000 is an frugal number, since it uses more digits than its factorization.

85847040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

It can be divided in two parts, 858470 and 40000, that added together give a triangular number (898470 = T₁₃₄₀).

The spelling of 85847040000 in words is "eighty-five billion, eight hundred forty-seven million, forty thousand".