80438218243 has 8 divisors (see below), whose sum is σ = 82721869488. Its totient is φ = 78182935584.

The previous prime is 80438218199. The next prime is 80438218271. The reversal of 80438218243 is 34281283408.

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

It is not a de Polignac number, because 80438218243 - 2²⁵ = 80404663811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80438218243.

It is not an unprimeable number, because it can be changed into a prime (80438218943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7086396 + ... + 7097737.

It is an arithmetic number, because the mean of its divisors is an integer number (10340233686).

Almost surely, 2^80438218243 is an apocalyptic number.

80438218243 is a deficient number, since it is larger than the sum of its proper divisors (2283651245).

80438218243 is a wasteful number, since it uses less digits than its factorization.

80438218243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184293.

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 80438218243 in words is "eighty billion, four hundred thirty-eight million, two hundred eighteen thousand, two hundred forty-three".