80884840919 has 2 divisors, whose sum is σ = 80884840920. Its totient is φ = 80884840918.

The previous prime is 80884840811. The next prime is 80884840979. The reversal of 80884840919 is 91904848808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80884840919 is a prime.

It is a super-2 number, since 2×80884840919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80884840979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40442420459 + 40442420460.

It is an arithmetic number, because the mean of its divisors is an integer number (40442420460).

Almost surely, 2^80884840919 is an apocalyptic number.

80884840919 is a deficient number, since it is larger than the sum of its proper divisors (1).

80884840919 is an equidigital number, since it uses as much as digits as its factorization.

80884840919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 59.

The spelling of 80884840919 in words is "eighty billion, eight hundred eighty-four million, eight hundred forty thousand, nine hundred nineteen".