80421487466 has 8 divisors (see below), whose sum is σ = 123198874560. Its totient is φ = 39355195948.

The previous prime is 80421487459. The next prime is 80421487477. The reversal of 80421487466 is 66478412408.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427773776 + ... + 427773963.

It is an arithmetic number, because the mean of its divisors is an integer number (15399859320).

Almost surely, 2^80421487466 is an apocalyptic number.

80421487466 is a deficient number, since it is larger than the sum of its proper divisors (42777387094).

80421487466 is a wasteful number, since it uses less digits than its factorization.

80421487466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855547788.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 80421487466 in words is "eighty billion, four hundred twenty-one million, four hundred eighty-seven thousand, four hundred sixty-six".