80380563 has 4 divisors (see below), whose sum is σ = 107174088. Its totient is φ = 53587040.

The previous prime is 80380549. The next prime is 80380567. The reversal of 80380563 is 36508308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80380563 - 2⁶ = 80380499 is a prime.

It is a super-2 number, since 2×80380563² = 12922069816393938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80380567) 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, 13396758 + ... + 13396763.

It is an arithmetic number, because the mean of its divisors is an integer number (26793522).

Almost surely, 2^80380563 is an apocalyptic number.

80380563 is a deficient number, since it is larger than the sum of its proper divisors (26793525).

80380563 is a wasteful number, since it uses less digits than its factorization.

80380563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26793524.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 80380563 is about 8965.5207879966. The cubic root of 80380563 is about 431.5691058885.

The spelling of 80380563 in words is "eighty million, three hundred eighty thousand, five hundred sixty-three".