87534198504 has 64 divisors (see below), whose sum is σ = 243236736000. Its totient is φ = 29167724160.

The previous prime is 87534198413. The next prime is 87534198541. The reversal of 87534198504 is 40589143578.

87534198504 is a `hidden beast` number, since 8 + 7 + 5 + 3 + 41 + 98 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551484 + ... + 692244.

It is an arithmetic number, because the mean of its divisors is an integer number (3800574000).

Almost surely, 2^87534198504 is an apocalyptic number.

It is an amenable number.

87534198504 is an abundant number, since it is smaller than the sum of its proper divisors (155702537496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87534198504 is a wasteful number, since it uses less digits than its factorization.

87534198504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143655 (or 143645 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 87534198504 in words is "eighty-seven billion, five hundred thirty-four million, one hundred ninety-eight thousand, five hundred four".