87589279020 has 96 divisors (see below), whose sum is σ = 250801447680. Its totient is φ = 22833135360.

The previous prime is 87589278989. The next prime is 87589279031. The reversal of 87589279020 is 2097298578.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 523171 + ... + 669989.

It is an arithmetic number, because the mean of its divisors is an integer number (2612515080).

Almost surely, 2^87589279020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87589279020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125400723840).

87589279020 is an abundant number, since it is smaller than the sum of its proper divisors (163212168660).

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

87589279020 is a wasteful number, since it uses less digits than its factorization.

87589279020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147055 (or 147053 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 87589279020 in words is "eighty-seven billion, five hundred eighty-nine million, two hundred seventy-nine thousand, twenty".