87181428030 has 32 divisors (see below), whose sum is σ = 215984959488. Its totient is φ = 22498432800.

The previous prime is 87181427951. The next prime is 87181428043. The reversal of 87181428030 is 3082418178.

It is a congruent number.

It is an unprimeable number.

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, 46870806 + ... + 46872665.

It is an arithmetic number, because the mean of its divisors is an integer number (6749529984).

Almost surely, 2^87181428030 is an apocalyptic number.

87181428030 is an abundant number, since it is smaller than the sum of its proper divisors (128803531458).

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

87181428030 is a wasteful number, since it uses less digits than its factorization.

87181428030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93743512.

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 87181428030 in words is "eighty-seven billion, one hundred eighty-one million, four hundred twenty-eight thousand, thirty".