79987000487 has 2 divisors, whose sum is σ = 79987000488. Its totient is φ = 79987000486.

The previous prime is 79987000459. The next prime is 79987000531. The reversal of 79987000487 is 78400078997.

It is a weak prime.

It is an emirp because it is prime and its reverse (78400078997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79987000487 - 2⁸ = 79987000231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79987000087) 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, 39993500243 + 39993500244.

It is an arithmetic number, because the mean of its divisors is an integer number (39993500244).

Almost surely, 2^79987000487 is an apocalyptic number.

79987000487 is a deficient number, since it is larger than the sum of its proper divisors (1).

79987000487 is an equidigital number, since it uses as much as digits as its factorization.

79987000487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 79987000487 in words is "seventy-nine billion, nine hundred eighty-seven million, four hundred eighty-seven", and thus it is an aban number.