80086421 has 4 divisors (see below), whose sum is σ = 80119200. Its totient is φ = 80053644.

The previous prime is 80086417. The next prime is 80086427. The reversal of 80086421 is 12468008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80086421 - 2² = 80086417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80086427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12401 + ... + 17718.

It is an arithmetic number, because the mean of its divisors is an integer number (20029800).

Almost surely, 2^80086421 is an apocalyptic number.

It is an amenable number.

80086421 is a deficient number, since it is larger than the sum of its proper divisors (32779).

80086421 is a wasteful number, since it uses less digits than its factorization.

80086421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32778.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 80086421 is about 8949.1016867616. The cubic root of 80086421 is about 431.0420391701.

The spelling of 80086421 in words is "eighty million, eighty-six thousand, four hundred twenty-one".