87589698578 has 16 divisors (see below), whose sum is σ = 135531515904. Its totient is φ = 42433958160.

The previous prime is 87589698563. The next prime is 87589698583.

87589698578 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5349650 + ... + 5365997.

It is an arithmetic number, because the mean of its divisors is an integer number (8470719744).

Almost surely, 2^87589698578 is an apocalyptic number.

87589698578 is a deficient number, since it is larger than the sum of its proper divisors (47941817326).

87589698578 is a wasteful number, since it uses less digits than its factorization.

87589698578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10715777.

The product of its digits is 2438553600, while the sum is 80.

The spelling of 87589698578 in words is "eighty-seven billion, five hundred eighty-nine million, six hundred ninety-eight thousand, five hundred seventy-eight".