80686864467 has 48 divisors (see below), whose sum is σ = 128444659200. Its totient is φ = 48401426880.

The previous prime is 80686864439. The next prime is 80686864469. The reversal of 80686864467 is 76446868608.

It is not a de Polignac number, because 80686864467 - 2⁶ = 80686864403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80686864469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11899084 + ... + 11905862.

It is an arithmetic number, because the mean of its divisors is an integer number (2675930400).

Almost surely, 2^80686864467 is an apocalyptic number.

80686864467 is a deficient number, since it is larger than the sum of its proper divisors (47757794733).

80686864467 is a wasteful number, since it uses less digits than its factorization.

80686864467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 80686864467 in words is "eighty billion, six hundred eighty-six million, eight hundred sixty-four thousand, four hundred sixty-seven".