80421504648 has 32 divisors (see below), whose sum is σ = 212880454560. Its totient is φ = 25230275840.

The previous prime is 80421504613. The next prime is 80421504689. The reversal of 80421504648 is 84640512408.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98555358 + ... + 98556173.

It is an arithmetic number, because the mean of its divisors is an integer number (6652514205).

Almost surely, 2^80421504648 is an apocalyptic number.

It is an amenable number.

80421504648 is an abundant number, since it is smaller than the sum of its proper divisors (132458949912).

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

80421504648 is a wasteful number, since it uses less digits than its factorization.

80421504648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197111557 (or 197111553 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 80421504648 in words is "eighty billion, four hundred twenty-one million, five hundred four thousand, six hundred forty-eight".