87690006171 has 6 divisors (see below), whose sum is σ = 126663342260. Its totient is φ = 58460004108.

The previous prime is 87690006163. The next prime is 87690006181. The reversal of 87690006171 is 17160009678.

It is not a de Polignac number, because 87690006171 - 2³ = 87690006163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87690006181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4871667001 + ... + 4871667018.

Almost surely, 2^87690006171 is an apocalyptic number.

87690006171 is a deficient number, since it is larger than the sum of its proper divisors (38973336089).

87690006171 is a wasteful number, since it uses less digits than its factorization.

87690006171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743334025 (or 9743334022 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 87690006171 in words is "eighty-seven billion, six hundred ninety million, six thousand, one hundred seventy-one".