87208633180 has 24 divisors (see below), whose sum is σ = 183154552560. Its totient is φ = 34880325120.

The previous prime is 87208633139. The next prime is 87208633181. The reversal of 87208633180 is 8133680278.

It is a super-2 number, since 2×87208633180² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87208633180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87208633181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40015 + ... + 419545.

It is an arithmetic number, because the mean of its divisors is an integer number (7631439690).

Almost surely, 2^87208633180 is an apocalyptic number.

It is an amenable number.

87208633180 is an abundant number, since it is smaller than the sum of its proper divisors (95945919380).

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

87208633180 is a wasteful number, since it uses less digits than its factorization.

87208633180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391029 (or 391027 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 87208633180 in words is "eighty-seven billion, two hundred eight million, six hundred thirty-three thousand, one hundred eighty".