86788792067 has 4 divisors (see below), whose sum is σ = 86797655160. Its totient is φ = 86779928976.

The previous prime is 86788792031. The next prime is 86788792081. The reversal of 86788792067 is 76029788768.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86788792067 - 2¹² = 86788787971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86788791988 and 86788792006.

It is not an unprimeable number, because it can be changed into a prime (86788792267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416842 + ... + 4436447.

It is an arithmetic number, because the mean of its divisors is an integer number (21699413790).

Almost surely, 2^86788792067 is an apocalyptic number.

86788792067 is a deficient number, since it is larger than the sum of its proper divisors (8863093).

86788792067 is an equidigital number, since it uses as much as digits as its factorization.

86788792067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863092.

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 86788792067 in words is "eighty-six billion, seven hundred eighty-eight million, seven hundred ninety-two thousand, sixty-seven".