80814814067 has 4 divisors (see below), whose sum is σ = 87031338240. Its totient is φ = 74598289896.

The previous prime is 80814813977. The next prime is 80814814099. The reversal of 80814814067 is 76041841808.

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

It is not a de Polignac number, because 80814814067 - 2³² = 76519846771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80814819067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3108262067 + ... + 3108262092.

It is an arithmetic number, because the mean of its divisors is an integer number (21757834560).

Almost surely, 2^80814814067 is an apocalyptic number.

80814814067 is a deficient number, since it is larger than the sum of its proper divisors (6216524173).

80814814067 is a wasteful number, since it uses less digits than its factorization.

80814814067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216524172.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 80814814067 in words is "eighty billion, eight hundred fourteen million, eight hundred fourteen thousand, sixty-seven".