87831081330 has 32 divisors (see below), whose sum is σ = 211199228928. Its totient is φ = 23376662400.

The previous prime is 87831081313. The next prime is 87831081343. The reversal of 87831081330 is 3318013878.

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, 2794066 + ... + 2825325.

It is an arithmetic number, because the mean of its divisors is an integer number (6599975904).

Almost surely, 2^87831081330 is an apocalyptic number.

87831081330 is an abundant number, since it is smaller than the sum of its proper divisors (123368147598).

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

87831081330 is a wasteful number, since it uses less digits than its factorization.

87831081330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619922.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 87831081330 in words is "eighty-seven billion, eight hundred thirty-one million, eighty-one thousand, three hundred thirty".