87599701673 has 4 divisors (see below), whose sum is σ = 95563310928. Its totient is φ = 79636092420.

The previous prime is 87599701667. The next prime is 87599701681. The reversal of 87599701673 is 37610799578.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87599701673 - 2⁸ = 87599701417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87599701613) 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 3 ways as a sum of consecutive naturals, for example, 3981804611 + ... + 3981804632.

It is an arithmetic number, because the mean of its divisors is an integer number (23890827732).

Almost surely, 2^87599701673 is an apocalyptic number.

It is an amenable number.

87599701673 is a deficient number, since it is larger than the sum of its proper divisors (7963609255).

87599701673 is a wasteful number, since it uses less digits than its factorization.

87599701673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963609254.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 87599701673 in words is "eighty-seven billion, five hundred ninety-nine million, seven hundred one thousand, six hundred seventy-three".