87917555080 has 32 divisors (see below), whose sum is σ = 198957951000. Its totient is φ = 34963741696.

The previous prime is 87917555027. The next prime is 87917555083. The reversal of 87917555080 is 8055571978.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77585645764 + 10331909316 = 278542^2 + 101646^2 .

It is not an unprimeable number, because it can be changed into a prime (87917555083) 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, 6345505 + ... + 6359344.

Almost surely, 2^87917555080 is an apocalyptic number.

It is an amenable number.

87917555080 is an abundant number, since it is smaller than the sum of its proper divisors (111040395920).

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

87917555080 is a wasteful number, since it uses less digits than its factorization.

87917555080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12705033 (or 12705029 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 55.

The spelling of 87917555080 in words is "eighty-seven billion, nine hundred seventeen million, five hundred fifty-five thousand, eighty".