80001789487 has 2 divisors, whose sum is σ = 80001789488. Its totient is φ = 80001789486.

The previous prime is 80001789463. The next prime is 80001789493. The reversal of 80001789487 is 78498710008.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80001789487 is a prime.

It is a super-2 number, since 2×80001789487² (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 (80001789887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000894743 + 40000894744.

It is an arithmetic number, because the mean of its divisors is an integer number (40000894744).

Almost surely, 2^80001789487 is an apocalyptic number.

80001789487 is a deficient number, since it is larger than the sum of its proper divisors (1).

80001789487 is an equidigital number, since it uses as much as digits as its factorization.

80001789487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 80001789487 in words is "eighty billion, one million, seven hundred eighty-nine thousand, four hundred eighty-seven".