8633223157 has 16 divisors (see below), whose sum is σ = 9398496240. Its totient is φ = 7882560000.

The previous prime is 8633223107. The next prime is 8633223199. The reversal of 8633223157 is 7513223368.

It can be written as a sum of positive squares in 8 ways, for example, as 117809316 + 8515413841 = 10854^2 + 92279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8633223157 is a prime.

It is a super-2 number, since 2×8633223157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8633223107) 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, 1689907 + ... + 1695007.

It is an arithmetic number, because the mean of its divisors is an integer number (587406015).

Almost surely, 2^8633223157 is an apocalyptic number.

It is an amenable number.

8633223157 is a deficient number, since it is larger than the sum of its proper divisors (765273083).

8633223157 is a wasteful number, since it uses less digits than its factorization.

8633223157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504.

The product of its digits is 181440, while the sum is 40.

The square root of 8633223157 is about 92915.1395467929. The cubic root of 8633223157 is about 2051.4345031594.

The spelling of 8633223157 in words is "eight billion, six hundred thirty-three million, two hundred twenty-three thousand, one hundred fifty-seven".