87432144236 has 48 divisors (see below), whose sum is σ = 166114271232. Its totient is φ = 40108320000.

The previous prime is 87432144229. The next prime is 87432144337. The reversal of 87432144236 is 63244123478.

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, 747701 + ... + 856691.

It is an arithmetic number, because the mean of its divisors is an integer number (3460713984).

Almost surely, 2^87432144236 is an apocalyptic number.

It is an amenable number.

87432144236 is a deficient number, since it is larger than the sum of its proper divisors (78682126996).

87432144236 is a wasteful number, since it uses less digits than its factorization.

87432144236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109310 (or 109308 counting only the distinct ones).

The product of its digits is 774144, while the sum is 44.

The spelling of 87432144236 in words is "eighty-seven billion, four hundred thirty-two million, one hundred forty-four thousand, two hundred thirty-six".