87585858578 has 8 divisors (see below), whose sum is σ = 131692342320. Its totient is φ = 43688411140.

The previous prime is 87585858571. The next prime is 87585858601.

87585858578 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87585858571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52258028 + ... + 52259703.

It is an arithmetic number, because the mean of its divisors is an integer number (16461542790).

Almost surely, 2^87585858578 is an apocalyptic number.

87585858578 is a deficient number, since it is larger than the sum of its proper divisors (44106483742).

87585858578 is a wasteful number, since it uses less digits than its factorization.

87585858578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104518152.

The product of its digits is 1003520000, while the sum is 74.

The spelling of 87585858578 in words is "eighty-seven billion, five hundred eighty-five million, eight hundred fifty-eight thousand, five hundred seventy-eight".