80420846064 has 40 divisors (see below), whose sum is σ = 223734919632. Its totient is φ = 24744875520.

The previous prime is 80420846003. The next prime is 80420846081. The reversal of 80420846064 is 46064802408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64439157 + ... + 64440404.

Almost surely, 2^80420846064 is an apocalyptic number.

It is an amenable number.

80420846064 is an abundant number, since it is smaller than the sum of its proper divisors (143314073568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80420846064 is a wasteful number, since it uses less digits than its factorization.

80420846064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128879585 (or 128879579 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 80420846064 in words is "eighty billion, four hundred twenty million, eight hundred forty-six thousand, sixty-four".