80489421 has 24 divisors (see below), whose sum is σ = 119598336. Its totient is φ = 52133760.

The previous prime is 80489419. The next prime is 80489447. The reversal of 80489421 is 12498408.

It is not a de Polignac number, because 80489421 - 2¹ = 80489419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80489401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92836 + ... + 93698.

It is an arithmetic number, because the mean of its divisors is an integer number (4983264).

Almost surely, 2^80489421 is an apocalyptic number.

It is an amenable number.

80489421 is a deficient number, since it is larger than the sum of its proper divisors (39108915).

80489421 is a wasteful number, since it uses less digits than its factorization.

80489421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 80489421 is about 8971.5896584719. The cubic root of 80489421 is about 431.7638401873.

The spelling of 80489421 in words is "eighty million, four hundred eighty-nine thousand, four hundred twenty-one".