80099421 has 32 divisors (see below), whose sum is σ = 118886400. Its totient is φ = 47759040.

The previous prime is 80099419. The next prime is 80099429. The reversal of 80099421 is 12499008.

It is not a de Polignac number, because 80099421 - 2¹ = 80099419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80099429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77176 + ... + 78206.

It is an arithmetic number, because the mean of its divisors is an integer number (3715200).

Almost surely, 2^80099421 is an apocalyptic number.

It is an amenable number.

80099421 is a deficient number, since it is larger than the sum of its proper divisors (38786979).

80099421 is a wasteful number, since it uses less digits than its factorization.

80099421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 80099421 is about 8949.8279871738. The cubic root of 80099421 is about 431.0653608238.

The spelling of 80099421 in words is "eighty million, ninety-nine thousand, four hundred twenty-one".