80645405314 has 8 divisors (see below), whose sum is σ = 121738605948. Its totient is φ = 40065870000.

The previous prime is 80645405303. The next prime is 80645405317. The reversal of 80645405314 is 41350454608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80305924689 + 339480625 = 283383^2 + 18425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80645405317) 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, 128415937 + ... + 128416564.

Almost surely, 2^80645405314 is an apocalyptic number.

80645405314 is a deficient number, since it is larger than the sum of its proper divisors (41093200634).

80645405314 is a wasteful number, since it uses less digits than its factorization.

80645405314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256832660.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 80645405314 in words is "eighty billion, six hundred forty-five million, four hundred five thousand, three hundred fourteen".