8652620991 has 8 divisors (see below), whose sum is σ = 13184946304. Its totient is φ = 4944354840.

The previous prime is 8652620981. The next prime is 8652621007. The reversal of 8652620991 is 1990262568.

8652620991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8652620991 - 2⁶ = 8652620927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8652620991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8652620941) 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, 206014765 + ... + 206014806.

It is an arithmetic number, because the mean of its divisors is an integer number (1648118288).

Almost surely, 2^8652620991 is an apocalyptic number.

8652620991 is a deficient number, since it is larger than the sum of its proper divisors (4532325313).

8652620991 is a wasteful number, since it uses less digits than its factorization.

8652620991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412029581.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 8652620991 is about 93019.4656563883. The cubic root of 8652620991 is about 2052.9697976335.

The spelling of 8652620991 in words is "eight billion, six hundred fifty-two million, six hundred twenty thousand, nine hundred ninety-one".