86620650607 has 2 divisors, whose sum is σ = 86620650608. Its totient is φ = 86620650606.

The previous prime is 86620650547. The next prime is 86620650631. The reversal of 86620650607 is 70605602668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86620650607 - 2³¹ = 84473166959 is a prime.

It is a super-2 number, since 2×86620650607² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86620650107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43310325303 + 43310325304.

It is an arithmetic number, because the mean of its divisors is an integer number (43310325304).

Almost surely, 2^86620650607 is an apocalyptic number.

86620650607 is a deficient number, since it is larger than the sum of its proper divisors (1).

86620650607 is an equidigital number, since it uses as much as digits as its factorization.

86620650607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 86620650607 in words is "eighty-six billion, six hundred twenty million, six hundred fifty thousand, six hundred seven".