7932142864 has 40 divisors (see below), whose sum is σ = 15710418080. Its totient is φ = 3878696448.

The previous prime is 7932142853. The next prime is 7932142873. The reversal of 7932142864 is 4682412397.

It is a happy number.

It is a super-2 number, since 2×7932142864² (a number of 21 digits) contains 22 as substring.

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, 122392 + ... + 175624.

It is an arithmetic number, because the mean of its divisors is an integer number (392760452).

Almost surely, 2^7932142864 is an apocalyptic number.

It is an amenable number.

7932142864 is a deficient number, since it is larger than the sum of its proper divisors (7778275216).

7932142864 is a wasteful number, since it uses less digits than its factorization.

7932142864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53447 (or 53441 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 7932142864 is about 89062.5783592638. The cubic root of 7932142864 is about 1994.3291747341.

The spelling of 7932142864 in words is "seven billion, nine hundred thirty-two million, one hundred forty-two thousand, eight hundred sixty-four".