86328798840 has 160 divisors (see below), whose sum is σ = 291681941760. Its totient is φ = 22900320000.

The previous prime is 86328798817. The next prime is 86328798847. The reversal of 86328798840 is 4889782368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86328798847) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 549090 + ... + 688590.

It is an arithmetic number, because the mean of its divisors is an integer number (1823012136).

Almost surely, 2^86328798840 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 86328798840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145840970880).

86328798840 is an abundant number, since it is smaller than the sum of its proper divisors (205353142920).

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

86328798840 is a wasteful number, since it uses less digits than its factorization.

86328798840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139715 (or 139702 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 86328798840 in words is "eighty-six billion, three hundred twenty-eight million, seven hundred ninety-eight thousand, eight hundred forty".