86620650775 has 6 divisors (see below), whose sum is σ = 107409606992. Its totient is φ = 69296520600.

The previous prime is 86620650769. The next prime is 86620650791. The reversal of 86620650775 is 57705602668.

It is a de Polignac number, because none of the positive numbers 2^k-86620650775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1732412991 + ... + 1732413040.

Almost surely, 2^86620650775 is an apocalyptic number.

86620650775 is a deficient number, since it is larger than the sum of its proper divisors (20788956217).

86620650775 is a wasteful number, since it uses less digits than its factorization.

86620650775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464826041 (or 3464826036 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 86620650775 in words is "eighty-six billion, six hundred twenty million, six hundred fifty thousand, seven hundred seventy-five".