86740826860 has 72 divisors (see below), whose sum is σ = 193763301984. Its totient is φ = 32504947200.

The previous prime is 86740826857. The next prime is 86740826867. The reversal of 86740826860 is 6862804768.

It is not an unprimeable number, because it can be changed into a prime (86740826867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17517385 + ... + 17522335.

It is an arithmetic number, because the mean of its divisors is an integer number (2691156972).

Almost surely, 2^86740826860 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 86740826860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96881650992).

86740826860 is an abundant number, since it is smaller than the sum of its proper divisors (107022475124).

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

86740826860 is a wasteful number, since it uses less digits than its factorization.

86740826860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431 (or 5202 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 86740826860 in words is "eighty-six billion, seven hundred forty million, eight hundred twenty-six thousand, eight hundred sixty".