8652258638 has 4 divisors (see below), whose sum is σ = 12978387960. Its totient is φ = 4326129318.

The previous prime is 8652258521. The next prime is 8652258683. The reversal of 8652258638 is 8368522568.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8652258638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2163064658 + ... + 2163064661.

It is an arithmetic number, because the mean of its divisors is an integer number (3244596990).

Almost surely, 2^8652258638 is an apocalyptic number.

8652258638 is a deficient number, since it is larger than the sum of its proper divisors (4326129322).

8652258638 is a wasteful number, since it uses less digits than its factorization.

8652258638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326129321.

The product of its digits is 5529600, while the sum is 53.

The square root of 8652258638 is about 93017.5179092627. The cubic root of 8652258638 is about 2052.9411392594.

The spelling of 8652258638 in words is "eight billion, six hundred fifty-two million, two hundred fifty-eight thousand, six hundred thirty-eight".