8674999813 has 4 divisors (see below), whose sum is σ = 8681319468. Its totient is φ = 8668680160.

The previous prime is 8674999811. The next prime is 8674999831. The reversal of 8674999813 is 3189994768.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5062749409 + 3612250404 = 71153^2 + 60102^2 .

It is a cyclic number.

It is not a de Polignac number, because 8674999813 - 2¹ = 8674999811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8674999811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157768 + ... + 3160513.

It is an arithmetic number, because the mean of its divisors is an integer number (2170329867).

Almost surely, 2^8674999813 is an apocalyptic number.

It is an amenable number.

8674999813 is a deficient number, since it is larger than the sum of its proper divisors (6319655).

8674999813 is a wasteful number, since it uses less digits than its factorization.

8674999813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319654.

The product of its digits is 23514624, while the sum is 64.

The square root of 8674999813 is about 93139.6790471172. The cubic root of 8674999813 is about 2054.7381825759.

The spelling of 8674999813 in words is "eight billion, six hundred seventy-four million, nine hundred ninety-nine thousand, eight hundred thirteen".