87609447432 has 48 divisors (see below), whose sum is σ = 255527557740. Its totient is φ = 26956752768.

The previous prime is 87609447397. The next prime is 87609447437. The reversal of 87609447432 is 23474490678.

87609447432 is a `hidden beast` number, since 87 + 6 + 0 + 94 + 47 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78475057956 + 9134389476 = 280134^2 + 95574^2 .

It is not an unprimeable number, because it can be changed into a prime (87609447437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46798983 + ... + 46800854.

Almost surely, 2^87609447432 is an apocalyptic number.

It is an amenable number.

87609447432 is an abundant number, since it is smaller than the sum of its proper divisors (167918110308).

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

87609447432 is a wasteful number, since it uses less digits than its factorization.

87609447432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93599862 (or 93599855 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 87609447432 in words is "eighty-seven billion, six hundred nine million, four hundred forty-seven thousand, four hundred thirty-two".