87122404336 has 40 divisors (see below), whose sum is σ = 184186519344. Its totient is φ = 39592181760.

The previous prime is 87122404333. The next prime is 87122404379. The reversal of 87122404336 is 63340422178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87122404333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 762736 + ... + 869488.

Almost surely, 2^87122404336 is an apocalyptic number.

It is an amenable number.

87122404336 is an abundant number, since it is smaller than the sum of its proper divisors (97064115008).

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

87122404336 is a wasteful number, since it uses less digits than its factorization.

87122404336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111409 (or 111403 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 87122404336 in words is "eighty-seven billion, one hundred twenty-two million, four hundred four thousand, three hundred thirty-six".