8500887021 has 16 divisors (see below), whose sum is σ = 12652485120. Its totient is φ = 5032236720.

The previous prime is 8500887007. The next prime is 8500887041. The reversal of 8500887021 is 1207880058.

It is not a de Polignac number, because 8500887021 - 2¹⁸ = 8500624877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500887041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2993961 + ... + 2996798.

It is an arithmetic number, because the mean of its divisors is an integer number (790780320).

Almost surely, 2^8500887021 is an apocalyptic number.

It is an amenable number.

8500887021 is a deficient number, since it is larger than the sum of its proper divisors (4151598099).

8500887021 is a wasteful number, since it uses less digits than its factorization.

8500887021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990816.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 8500887021 is about 92200.2549942244. The cubic root of 8500887021 is about 2040.8985389559.

The spelling of 8500887021 in words is "eight billion, five hundred million, eight hundred eighty-seven thousand, twenty-one".