87288668535 has 16 divisors (see below), whose sum is σ = 139665564000. Its totient is φ = 46552725120.

The previous prime is 87288668513. The next prime is 87288668567. The reversal of 87288668535 is 53586688278.

It is a happy number.

It is not a de Polignac number, because 87288668535 - 2⁶ = 87288668471 is a prime.

It is a super-2 number, since 2×87288668535² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 957645 + ... + 1044825.

It is an arithmetic number, because the mean of its divisors is an integer number (8729097750).

Almost surely, 2^87288668535 is an apocalyptic number.

87288668535 is a deficient number, since it is larger than the sum of its proper divisors (52376895465).

87288668535 is a wasteful number, since it uses less digits than its factorization.

87288668535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153938.

The product of its digits is 154828800, while the sum is 66.

The spelling of 87288668535 in words is "eighty-seven billion, two hundred eighty-eight million, six hundred sixty-eight thousand, five hundred thirty-five".