7992008842 has 4 divisors (see below), whose sum is σ = 11988013266. Its totient is φ = 3996004420.

The previous prime is 7992008821. The next prime is 7992008867. The reversal of 7992008842 is 2488002997.

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

It can be written as a sum of positive squares in only one way, i.e., 5927306121 + 2064702721 = 76989^2 + 45439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998002209 + ... + 1998002212.

Almost surely, 2^7992008842 is an apocalyptic number.

7992008842 is a deficient number, since it is larger than the sum of its proper divisors (3996004424).

7992008842 is a wasteful number, since it uses less digits than its factorization.

7992008842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996004423.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 7992008842 is about 89398.0360075097. The cubic root of 7992008842 is about 1999.3338483123. Note that the first 3 decimals are identical.

The spelling of 7992008842 in words is "seven billion, nine hundred ninety-two million, eight thousand, eight hundred forty-two".