80567421 has 8 divisors (see below), whose sum is σ = 117189024. Its totient is φ = 48828720.

The previous prime is 80567411. The next prime is 80567449. The reversal of 80567421 is 12476508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80567421 - 2⁷ = 80567293 is a prime.

It is a super-2 number, since 2×80567421² = 12982218653182482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2441437 = 80567421 / (8 + 0 + 5 + 6 + 7 + 4 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80567411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220686 + ... + 1220751.

It is an arithmetic number, because the mean of its divisors is an integer number (14648628).

Almost surely, 2^80567421 is an apocalyptic number.

It is an amenable number.

80567421 is a deficient number, since it is larger than the sum of its proper divisors (36621603).

80567421 is a wasteful number, since it uses less digits than its factorization.

80567421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441451.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 80567421 is about 8975.9356615341. The cubic root of 80567421 is about 431.9032651631.

The spelling of 80567421 in words is "eighty million, five hundred sixty-seven thousand, four hundred twenty-one".