86842628660 has 24 divisors (see below), whose sum is σ = 182425650120. Its totient is φ = 34726360064.

The previous prime is 86842628659. The next prime is 86842628693. The reversal of 86842628660 is 6682624868.

It can be written as a sum of positive squares in 4 ways, for example, as 38493655204 + 48348973456 = 196198^2 + 219884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86842628596 and 86842628605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601445 + ... + 731724.

It is an arithmetic number, because the mean of its divisors is an integer number (7601068755).

Almost surely, 2^86842628660 is an apocalyptic number.

It is an amenable number.

86842628660 is an abundant number, since it is smaller than the sum of its proper divisors (95583021460).

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

86842628660 is a wasteful number, since it uses less digits than its factorization.

86842628660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336435 (or 1336433 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 86842628660 in words is "eighty-six billion, eight hundred forty-two million, six hundred twenty-eight thousand, six hundred sixty".