8652371221 has 16 divisors (see below), whose sum is σ = 10385323200. Its totient is φ = 7121357568.

The previous prime is 8652371207. The next prime is 8652371239. The reversal of 8652371221 is 1221732568.

It is not a de Polignac number, because 8652371221 - 2⁷ = 8652371093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8652371621) 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, 1026091 + ... + 1034488.

It is an arithmetic number, because the mean of its divisors is an integer number (649082700).

Almost surely, 2^8652371221 is an apocalyptic number.

It is an amenable number.

8652371221 is a deficient number, since it is larger than the sum of its proper divisors (1732951979).

8652371221 is a wasteful number, since it uses less digits than its factorization.

8652371221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060628.

The product of its digits is 40320, while the sum is 37.

The square root of 8652371221 is about 93018.1230782475. The cubic root of 8652371221 is about 2052.9500434958.

The spelling of 8652371221 in words is "eight billion, six hundred fifty-two million, three hundred seventy-one thousand, two hundred twenty-one".