8387668434 has 16 divisors (see below), whose sum is σ = 17353797120. Its totient is φ = 2699479440.

The previous prime is 8387668397. The next prime is 8387668489. The reversal of 8387668434 is 4348667838.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24102322 + ... + 24102669.

It is an arithmetic number, because the mean of its divisors is an integer number (1084612320).

Almost surely, 2^8387668434 is an apocalyptic number.

8387668434 is an abundant number, since it is smaller than the sum of its proper divisors (8966128686).

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

8387668434 is a wasteful number, since it uses less digits than its factorization.

8387668434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48205025.

The product of its digits is 18579456, while the sum is 57.

The square root of 8387668434 is about 91584.2149827141. The cubic root of 8387668434 is about 2031.7974836986.

The spelling of 8387668434 in words is "eight billion, three hundred eighty-seven million, six hundred sixty-eight thousand, four hundred thirty-four".