87133181676 has 48 divisors (see below), whose sum is σ = 210382663680. Its totient is φ = 28038706560.

The previous prime is 87133181617. The next prime is 87133181699. The reversal of 87133181676 is 67618133178.

It is a happy 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, 134196 + ... + 438491.

It is an arithmetic number, because the mean of its divisors is an integer number (4382972160).

Almost surely, 2^87133181676 is an apocalyptic number.

It is an amenable number.

87133181676 is an abundant number, since it is smaller than the sum of its proper divisors (123249482004).

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

87133181676 is a wasteful number, since it uses less digits than its factorization.

87133181676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573134 (or 573132 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 87133181676 in words is "eighty-seven billion, one hundred thirty-three million, one hundred eighty-one thousand, six hundred seventy-six".