87922405173 has 8 divisors (see below), whose sum is σ = 117298476000. Its totient is φ = 58580635568.

The previous prime is 87922405121. The next prime is 87922405201. The reversal of 87922405173 is 37150422978.

It is a happy number.

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 87922405173 - 2⁸ = 87922404917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87922405273) 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, 8569323 + ... + 8579576.

It is an arithmetic number, because the mean of its divisors is an integer number (14662309500).

Almost surely, 2^87922405173 is an apocalyptic number.

It is an amenable number.

87922405173 is a deficient number, since it is larger than the sum of its proper divisors (29376070827).

87922405173 is a wasteful number, since it uses less digits than its factorization.

87922405173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150611.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 87922405173 in words is "eighty-seven billion, nine hundred twenty-two million, four hundred five thousand, one hundred seventy-three".