7842238564 has 12 divisors (see below), whose sum is σ = 13724591104. Its totient is φ = 3920926824.

The previous prime is 7842238561. The next prime is 7842238577. The reversal of 7842238564 is 4658322487.

It is not an unprimeable number, because it can be changed into a prime (7842238561) 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, 83677 + ... + 150619.

Almost surely, 2^7842238564 is an apocalyptic number.

It is an amenable number.

7842238564 is a deficient number, since it is larger than the sum of its proper divisors (5882352540).

7842238564 is a wasteful number, since it uses less digits than its factorization.

7842238564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96234 (or 96232 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The square root of 7842238564 is about 88556.4145841508. The cubic root of 7842238564 is about 1986.7658352646.

The spelling of 7842238564 in words is "seven billion, eight hundred forty-two million, two hundred thirty-eight thousand, five hundred sixty-four".