85894746240 has 128 divisors (see below), whose sum is σ = 274341240000. Its totient is φ = 22859108352.

The previous prime is 85894746239. The next prime is 85894746241. The reversal of 85894746240 is 4264749858.

It is an interprime number because it is at equal distance from previous prime (85894746239) and next prime (85894746241).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (85894746241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913254 + ... + 1002906.

Almost surely, 2^85894746240 is an apocalyptic number.

85894746240 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 85894746240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137170620000).

85894746240 is an abundant number, since it is smaller than the sum of its proper divisors (188446493760).

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

85894746240 is a wasteful number, since it uses less digits than its factorization.

85894746240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90174 (or 90162 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 85894746240 in words is "eighty-five billion, eight hundred ninety-four million, seven hundred forty-six thousand, two hundred forty".