80144387 has 2 divisors, whose sum is σ = 80144388. Its totient is φ = 80144386.

The previous prime is 80144369. The next prime is 80144399. The reversal of 80144387 is 78344108.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80144387 - 2¹⁰ = 80143363 is a prime.

It is not a weakly prime, because it can be changed into another prime (80144357) 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, 40072193 + 40072194.

It is an arithmetic number, because the mean of its divisors is an integer number (40072194).

Almost surely, 2^80144387 is an apocalyptic number.

80144387 is a deficient number, since it is larger than the sum of its proper divisors (1).

80144387 is an equidigital number, since it uses as much as digits as its factorization.

80144387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 80144387 is about 8952.3397500318. The cubic root of 80144387 is about 431.1460091764.

The spelling of 80144387 in words is "eighty million, one hundred forty-four thousand, three hundred eighty-seven".