8147438068 has 24 divisors (see below), whose sum is σ = 17776229184. Its totient is φ = 3174326400.

The previous prime is 8147438063. The next prime is 8147438069. The reversal of 8147438068 is 8608347418.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8147438063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13226053 + ... + 13226668.

It is an arithmetic number, because the mean of its divisors is an integer number (740676216).

Almost surely, 2^8147438068 is an apocalyptic number.

It is an amenable number.

8147438068 is an abundant number, since it is smaller than the sum of its proper divisors (9628791116).

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

8147438068 is a wasteful number, since it uses less digits than its factorization.

8147438068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26452743 (or 26452741 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 8147438068 is about 90263.1600820623. The cubic root of 8147438068 is about 2012.2117899994.

The spelling of 8147438068 in words is "eight billion, one hundred forty-seven million, four hundred thirty-eight thousand, sixty-eight".