87685169423 has 8 divisors (see below), whose sum is σ = 92964211200. Its totient is φ = 82472530968.

The previous prime is 87685169419. The next prime is 87685169449. The reversal of 87685169423 is 32496158678.

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 87685169423 - 2² = 87685169419 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 (87685169413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16598111 + ... + 16603392.

It is an arithmetic number, because the mean of its divisors is an integer number (11620526400).

Almost surely, 2^87685169423 is an apocalyptic number.

87685169423 is a deficient number, since it is larger than the sum of its proper divisors (5279041777).

87685169423 is a wasteful number, since it uses less digits than its factorization.

87685169423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33201661.

The product of its digits is 17418240, while the sum is 59.

The spelling of 87685169423 in words is "eighty-seven billion, six hundred eighty-five million, one hundred sixty-nine thousand, four hundred twenty-three".