8113636398 has 32 divisors (see below), whose sum is σ = 18548135424. Its totient is φ = 2317846752.

The previous prime is 8113636397. The next prime is 8113636409. The reversal of 8113636398 is 8936363118.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113636397) 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, 523111 + ... + 538397.

It is an arithmetic number, because the mean of its divisors is an integer number (579629232).

Almost surely, 2^8113636398 is an apocalyptic number.

8113636398 is an abundant number, since it is smaller than the sum of its proper divisors (10434499026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8113636398 is a wasteful number, since it uses less digits than its factorization.

8113636398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27936.

The product of its digits is 559872, while the sum is 48.

The square root of 8113636398 is about 90075.7259088152. The cubic root of 8113636398 is about 2009.4252127419.

The spelling of 8113636398 in words is "eight billion, one hundred thirteen million, six hundred thirty-six thousand, three hundred ninety-eight".