587871772020 has 288 divisors, whose sum is σ = 2024543364480. Its totient is φ = 136881239040.

The previous prime is 587871771997. The next prime is 587871772067. The reversal of 587871772020 is 20277178785.

587871772020 is a `hidden beast` number, since 587 + 8 + 7 + 17 + 7 + 20 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30089655 + ... + 30109185.

It is an arithmetic number, because the mean of its divisors is an integer number (7029664460).

Almost surely, 2^587871772020 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 587871772020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012271682240).

587871772020 is an abundant number, since it is smaller than the sum of its proper divisors (1436671592460).

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

587871772020 is a wasteful number, since it uses less digits than its factorization.

587871772020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255 (or 20250 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 54.

The spelling of 587871772020 in words is "five hundred eighty-seven billion, eight hundred seventy-one million, seven hundred seventy-two thousand, twenty".