8142333387 has 4 divisors (see below), whose sum is σ = 10856444520. Its totient is φ = 5428222256.

The previous prime is 8142333383. The next prime is 8142333457. The reversal of 8142333387 is 7833332418.

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

It is a cyclic number.

It is not a de Polignac number, because 8142333387 - 2² = 8142333383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8142333383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357055562 + ... + 1357055567.

It is an arithmetic number, because the mean of its divisors is an integer number (2714111130).

Almost surely, 2^8142333387 is an apocalyptic number.

8142333387 is a deficient number, since it is larger than the sum of its proper divisors (2714111133).

8142333387 is a wasteful number, since it uses less digits than its factorization.

8142333387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714111132.

The product of its digits is 290304, while the sum is 42.

The square root of 8142333387 is about 90234.8789936574. The cubic root of 8142333387 is about 2011.7914597001.

The spelling of 8142333387 in words is "eight billion, one hundred forty-two million, three hundred thirty-three thousand, three hundred eighty-seven".