85602944280 has 512 divisors, whose sum is σ = 318173184000. Its totient is φ = 17989724160.

The previous prime is 85602944201. The next prime is 85602944333. The reversal of 85602944280 is 8244920658.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104266270 + ... + 104267090.

It is an arithmetic number, because the mean of its divisors is an integer number (621432000).

Almost surely, 2^85602944280 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 85602944280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159086592000).

85602944280 is an abundant number, since it is smaller than the sum of its proper divisors (232570239720).

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

85602944280 is a wasteful number, since it uses less digits than its factorization.

85602944280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 85602944280 in words is "eighty-five billion, six hundred two million, nine hundred forty-four thousand, two hundred eighty".