8613120938 has 4 divisors (see below), whose sum is σ = 12919681410. Its totient is φ = 4306560468.

The previous prime is 8613120863. The next prime is 8613120947. The reversal of 8613120938 is 8390213168.

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

It can be written as a sum of positive squares in only one way, i.e., 7632992689 + 980128249 = 87367^2 + 31307^2 .

It is a super-2 number, since 2×8613120938² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8613120895 and 8613120904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2153280233 + ... + 2153280236.

Almost surely, 2^8613120938 is an apocalyptic number.

8613120938 is a deficient number, since it is larger than the sum of its proper divisors (4306560472).

8613120938 is a wasteful number, since it uses less digits than its factorization.

8613120938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306560471.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 8613120938 is about 92806.9013489837. The cubic root of 8613120938 is about 2049.8410297509.

The spelling of 8613120938 in words is "eight billion, six hundred thirteen million, one hundred twenty thousand, nine hundred thirty-eight".