87419989559 has 32 divisors (see below), whose sum is σ = 108309966336. Its totient is φ = 68842690560.

The previous prime is 87419989541. The next prime is 87419989583. The reversal of 87419989559 is 95598991478.

It is not a de Polignac number, because 87419989559 - 2¹² = 87419985463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87419989759) 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 in 31 ways as a sum of consecutive naturals, for example, 10900319 + ... + 10908335.

It is an arithmetic number, because the mean of its divisors is an integer number (3384686448).

Almost surely, 2^87419989559 is an apocalyptic number.

87419989559 is a deficient number, since it is larger than the sum of its proper divisors (20889976777).

87419989559 is a wasteful number, since it uses less digits than its factorization.

87419989559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its digits is 293932800, while the sum is 74.

The spelling of 87419989559 in words is "eighty-seven billion, four hundred nineteen million, nine hundred eighty-nine thousand, five hundred fifty-nine".