80003881 has 2 divisors, whose sum is σ = 80003882. Its totient is φ = 80003880.

The previous prime is 80003857. The next prime is 80003909. The reversal of 80003881 is 18830008.

It is an a-pointer prime, because the next prime (80003909) can be obtained adding 80003881 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 793881 = 8900^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 80003881 - 2¹³ = 79995689 is a prime.

It is a super-2 number, since 2×80003881² = 12801241950124322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80003801) 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 as a sum of consecutive naturals, namely, 40001940 + 40001941.

It is an arithmetic number, because the mean of its divisors is an integer number (40001941).

Almost surely, 2^80003881 is an apocalyptic number.

It is an amenable number.

80003881 is a deficient number, since it is larger than the sum of its proper divisors (1).

80003881 is an equidigital number, since it uses as much as digits as its factorization.

80003881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80003881 is about 8944.4888618635. The cubic root of 80003881 is about 430.8939056946.

Adding to 80003881 its reverse (18830008), we get a palindrome (98833889).

It can be divided in two parts, 8000 and 3881, that added together give a square (11881 = 109²).

The spelling of 80003881 in words is "eighty million, three thousand, eight hundred eighty-one".