87809868708 has 24 divisors (see below), whose sum is σ = 204894580800. Its totient is φ = 29269258080.

The previous prime is 87809868701. The next prime is 87809868767. The reversal of 87809868708 is 80786890878.

It is not an unprimeable number, because it can be changed into a prime (87809868701) 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, 787618 + ... + 892166.

It is an arithmetic number, because the mean of its divisors is an integer number (8537274200).

Almost surely, 2^87809868708 is an apocalyptic number.

It is an amenable number.

87809868708 is an abundant number, since it is smaller than the sum of its proper divisors (117084712092).

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

87809868708 is a wasteful number, since it uses less digits than its factorization.

87809868708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174547 (or 174545 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 69.

The spelling of 87809868708 in words is "eighty-seven billion, eight hundred nine million, eight hundred sixty-eight thousand, seven hundred eight".