86668677264 has 80 divisors (see below), whose sum is σ = 241674309632. Its totient is φ = 26605615104.

The previous prime is 86668677259. The next prime is 86668677287. The reversal of 86668677264 is 46277686668.

It is a super-2 number, since 2×86668677264² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86668677195 and 86668677204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109809 + ... + 430575.

Almost surely, 2^86668677264 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 86668677264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120837154816).

86668677264 is an abundant number, since it is smaller than the sum of its proper divisors (155005632368).

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

86668677264 is a wasteful number, since it uses less digits than its factorization.

86668677264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321224 (or 321218 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 86668677264 in words is "eighty-six billion, six hundred sixty-eight million, six hundred seventy-seven thousand, two hundred sixty-four".