87863367487 has 32 divisors (see below), whose sum is σ = 105090822144. Its totient is φ = 71875296000.

The previous prime is 87863367479. The next prime is 87863367517. The reversal of 87863367487 is 78476336878.

It is a cyclic number.

It is not a de Polignac number, because 87863367487 - 2³ = 87863367479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87863367437) 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, 10820553 + ... + 10828669.

It is an arithmetic number, because the mean of its divisors is an integer number (3284088192).

Almost surely, 2^87863367487 is an apocalyptic number.

87863367487 is a deficient number, since it is larger than the sum of its proper divisors (17227454657).

87863367487 is a wasteful number, since it uses less digits than its factorization.

87863367487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839.

The product of its digits is 227598336, while the sum is 67.

The spelling of 87863367487 in words is "eighty-seven billion, eight hundred sixty-three million, three hundred sixty-seven thousand, four hundred eighty-seven".