87018858975 has 24 divisors (see below), whose sum is σ = 144039950992. Its totient is φ = 46355616000.

The previous prime is 87018858937. The next prime is 87018858991. The reversal of 87018858975 is 57985881078.

It is not a de Polignac number, because 87018858975 - 2²¹ = 87016761823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616126 + ... + 744075.

Almost surely, 2^87018858975 is an apocalyptic number.

87018858975 is a deficient number, since it is larger than the sum of its proper divisors (57021092017).

87018858975 is a wasteful number, since it uses less digits than its factorization.

87018858975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361067 (or 1361062 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 66.

The spelling of 87018858975 in words is "eighty-seven billion, eighteen million, eight hundred fifty-eight thousand, nine hundred seventy-five".