87917583423 has 32 divisors (see below), whose sum is σ = 121466822400. Its totient is φ = 56524832000.

The previous prime is 87917583319. The next prime is 87917583431. The reversal of 87917583423 is 32438571978.

It is a cyclic number.

It is not a de Polignac number, because 87917583423 - 2¹⁰ = 87917582399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87917583443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8181388 + ... + 8192126.

It is an arithmetic number, because the mean of its divisors is an integer number (3795838200).

Almost surely, 2^87917583423 is an apocalyptic number.

87917583423 is a deficient number, since it is larger than the sum of its proper divisors (33549238977).

87917583423 is a wasteful number, since it uses less digits than its factorization.

87917583423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543.

The product of its digits is 10160640, while the sum is 57.

The spelling of 87917583423 in words is "eighty-seven billion, nine hundred seventeen million, five hundred eighty-three thousand, four hundred twenty-three".