86620650606 has 48 divisors (see below), whose sum is σ = 216700489824. Its totient is φ = 24493612032.

The previous prime is 86620650547. The next prime is 86620650607. The reversal of 86620650606 is 60605602668.

86620650606 is a `hidden beast` number, since 86 + 62 + 0 + 6 + 506 + 0 + 6 = 666.

It is a super-2 number, since 2×86620650606² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3531415 + ... + 3555858.

It is an arithmetic number, because the mean of its divisors is an integer number (4514593538).

Almost surely, 2^86620650606 is an apocalyptic number.

86620650606 is an abundant number, since it is smaller than the sum of its proper divisors (130079839218).

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

86620650606 is a wasteful number, since it uses less digits than its factorization.

86620650606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087385 (or 7087382 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 86620650606 in words is "eighty-six billion, six hundred twenty million, six hundred fifty thousand, six hundred six".