87173467428 has 48 divisors (see below), whose sum is σ = 204447805184. Its totient is φ = 28909198080.

The previous prime is 87173467417. The next prime is 87173467429. The reversal of 87173467428 is 82476437178.

It is not an unprimeable number, because it can be changed into a prime (87173467429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830576 + ... + 1877592.

Almost surely, 2^87173467428 is an apocalyptic number.

It is an amenable number.

87173467428 is an abundant number, since it is smaller than the sum of its proper divisors (117274337756).

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

87173467428 is a wasteful number, since it uses less digits than its factorization.

87173467428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47812 (or 47810 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 57.

The spelling of 87173467428 in words is "eighty-seven billion, one hundred seventy-three million, four hundred sixty-seven thousand, four hundred twenty-eight".