87109408452 has 48 divisors (see below), whose sum is σ = 233403206400. Its totient is φ = 25007484960.

The previous prime is 87109408369. The next prime is 87109408453. The reversal of 87109408452 is 25480490178.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87109408453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17363802 + ... + 17368817.

It is an arithmetic number, because the mean of its divisors is an integer number (4862566800).

Almost surely, 2^87109408452 is an apocalyptic number.

It is an amenable number.

87109408452 is an abundant number, since it is smaller than the sum of its proper divisors (146293797948).

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

87109408452 is a wasteful number, since it uses less digits than its factorization.

87109408452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34732656 (or 34732654 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 87109408452 in words is "eighty-seven billion, one hundred nine million, four hundred eight thousand, four hundred fifty-two".