87655223832 has 32 divisors (see below), whose sum is σ = 239059702080. Its totient is φ = 26562188960.

The previous prime is 87655223809. The next prime is 87655223833. The reversal of 87655223832 is 23832255678.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87655223833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166013418 + ... + 166013945.

It is an arithmetic number, because the mean of its divisors is an integer number (7470615690).

Almost surely, 2^87655223832 is an apocalyptic number.

It is an amenable number.

87655223832 is an abundant number, since it is smaller than the sum of its proper divisors (151404478248).

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

87655223832 is a wasteful number, since it uses less digits than its factorization.

87655223832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332027383 (or 332027379 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 87655223832 in words is "eighty-seven billion, six hundred fifty-five million, two hundred twenty-three thousand, eight hundred thirty-two".