87263870171 has 8 divisors (see below), whose sum is σ = 87824630784. Its totient is φ = 86704865640.

The previous prime is 87263870167. The next prime is 87263870191. The reversal of 87263870171 is 17107836278.

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 87263870171 - 2² = 87263870167 is a prime.

It is a super-2 number, since 2×87263870171² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87263870191) 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, 339245 + ... + 538158.

It is an arithmetic number, because the mean of its divisors is an integer number (10978078848).

Almost surely, 2^87263870171 is an apocalyptic number.

87263870171 is a deficient number, since it is larger than the sum of its proper divisors (560760613).

87263870171 is a wasteful number, since it uses less digits than its factorization.

87263870171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878041.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 87263870171 in words is "eighty-seven billion, two hundred sixty-three million, eight hundred seventy thousand, one hundred seventy-one".