87589442693488 has 40 divisors (see below), whose sum is σ = 169983414884000. Its totient is φ = 43722763096320.

The previous prime is 87589442693471. The next prime is 87589442693507. The reversal of 87589442693488 is 88439624498578.

It is a super-2 number, since 2×87589442693488² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 178949506 + ... + 179438302.

It is an arithmetic number, because the mean of its divisors is an integer number (4249585372100).

Almost surely, 2^{87589442693488} is an apocalyptic number.

It is an amenable number.

87589442693488 is a deficient number, since it is larger than the sum of its proper divisors (82393972190512).

87589442693488 is a wasteful number, since it uses less digits than its factorization.

87589442693488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507185 (or 507179 counting only the distinct ones).

The product of its digits is 26754416640, while the sum is 85.

The spelling of 87589442693488 in words is "eighty-seven trillion, five hundred eighty-nine billion, four hundred forty-two million, six hundred ninety-three thousand, four hundred eighty-eight".