87705417484187 has 8 divisors (see below), whose sum is σ = 88198114190400. Its totient is φ = 87212751026184.

The previous prime is 87705417484183. The next prime is 87705417484193. The reversal of 87705417484187 is 78148471450778.

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 87705417484187 - 2² = 87705417484183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87705417484187.

It is not an unprimeable number, because it can be changed into a prime (87705417484183) 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, 1734137 + ... + 13357322.

It is an arithmetic number, because the mean of its divisors is an integer number (11024764273800).

Almost surely, 2^{87705417484187} is an apocalyptic number.

87705417484187 is a deficient number, since it is larger than the sum of its proper divisors (492696706213).

87705417484187 is a wasteful number, since it uses less digits than its factorization.

87705417484187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124105.

The product of its (nonzero) digits is 393379840, while the sum is 71.

The spelling of 87705417484187 in words is "eighty-seven trillion, seven hundred five billion, four hundred seventeen million, four hundred eighty-four thousand, one hundred eighty-seven".