86173661767 has 2 divisors, whose sum is σ = 86173661768. Its totient is φ = 86173661766.

The previous prime is 86173661741. The next prime is 86173661797. The reversal of 86173661767 is 76716637168.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86173661767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86173661737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43086830883 + 43086830884.

It is an arithmetic number, because the mean of its divisors is an integer number (43086830884).

Almost surely, 2^86173661767 is an apocalyptic number.

86173661767 is a deficient number, since it is larger than the sum of its proper divisors (1).

86173661767 is an equidigital number, since it uses as much as digits as its factorization.

86173661767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 58.

The spelling of 86173661767 in words is "eighty-six billion, one hundred seventy-three million, six hundred sixty-one thousand, seven hundred sixty-seven".