87017668727 has 12 divisors (see below), whose sum is σ = 95854164000. Its totient is φ = 78936063360.

The previous prime is 87017668697. The next prime is 87017668733. The reversal of 87017668727 is 72786671078.

It is not a de Polignac number, because 87017668727 - 2⁶ = 87017668663 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 (87017668747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720602 + ... + 832647.

It is an arithmetic number, because the mean of its divisors is an integer number (7987847000).

Almost surely, 2^87017668727 is an apocalyptic number.

87017668727 is a deficient number, since it is larger than the sum of its proper divisors (8836495273).

87017668727 is a wasteful number, since it uses less digits than its factorization.

87017668727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553734 (or 1553723 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 59.

The spelling of 87017668727 in words is "eighty-seven billion, seventeen million, six hundred sixty-eight thousand, seven hundred twenty-seven".