87936566489 has 8 divisors (see below), whose sum is σ = 89261185728. Its totient is φ = 86612304240.

The previous prime is 87936566467. The next prime is 87936566503. The reversal of 87936566489 is 98466563978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87936566489 - 2³⁶ = 19217089753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87936566449) 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 7 ways as a sum of consecutive naturals, for example, 429659 + ... + 600399.

It is an arithmetic number, because the mean of its divisors is an integer number (11157648216).

Almost surely, 2^87936566489 is an apocalyptic number.

It is an amenable number.

87936566489 is a deficient number, since it is larger than the sum of its proper divisors (1324619239).

87936566489 is a wasteful number, since it uses less digits than its factorization.

87936566489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178495.

The product of its digits is 470292480, while the sum is 71.

The spelling of 87936566489 in words is "eighty-seven billion, nine hundred thirty-six million, five hundred sixty-six thousand, four hundred eighty-nine".