86620650608 has 10 divisors (see below), whose sum is σ = 167827510584. Its totient is φ = 43310325296.

The previous prime is 86620650607. The next prime is 86620650631. The reversal of 86620650608 is 80605602668.

It is a happy number.

It is a super-2 number, since 2×86620650608² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86620650607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2706895316 + ... + 2706895347.

Almost surely, 2^86620650608 is an apocalyptic number.

It is an amenable number.

86620650608 is a deficient number, since it is larger than the sum of its proper divisors (81206859976).

86620650608 is a wasteful number, since it uses less digits than its factorization.

86620650608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413790671 (or 5413790665 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 86620650608 in words is "eighty-six billion, six hundred twenty million, six hundred fifty thousand, six hundred eight".