86680840000 has 70 divisors (see below), whose sum is σ = 214940411114. Its totient is φ = 34672320000.

The previous prime is 86680839967. The next prime is 86680840019. The reversal of 86680840000 is 4808668.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 64532257024 + 22148582976 = 254032^2 + 148824^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1043511 + ... + 1123510.

Almost surely, 2^86680840000 is an apocalyptic number.

86680840000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86680840000 is an abundant number, since it is smaller than the sum of its proper divisors (128259571114).

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

86680840000 is an equidigital number, since it uses as much as digits as its factorization.

86680840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167053 (or 2167028 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 86680840000 in words is "eighty-six billion, six hundred eighty million, eight hundred forty thousand".