80066421 has 16 divisors (see below), whose sum is σ = 120121600. Its totient is φ = 52700544.

The previous prime is 80066359. The next prime is 80066449. The reversal of 80066421 is 12466008.

It is not a de Polignac number, because 80066421 - 2⁷ = 80066293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80066461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16636 + ... + 20901.

It is an arithmetic number, because the mean of its divisors is an integer number (7507600).

Almost surely, 2^80066421 is an apocalyptic number.

It is an amenable number.

80066421 is a deficient number, since it is larger than the sum of its proper divisors (40055179).

80066421 is a wasteful number, since it uses less digits than its factorization.

80066421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37625 (or 37619 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80066421 is about 8947.9841863964. The cubic root of 80066421 is about 431.0061547742.

The spelling of 80066421 in words is "eighty million, sixty-six thousand, four hundred twenty-one".