7942799823 has 16 divisors (see below), whose sum is σ = 12815274240. Its totient is φ = 4271757696.

The previous prime is 7942799771. The next prime is 7942799831. The reversal of 7942799823 is 3289972497.

It is not a de Polignac number, because 7942799823 - 2¹³ = 7942791631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942799873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11124013 + ... + 11124726.

It is an arithmetic number, because the mean of its divisors is an integer number (800954640).

Almost surely, 2^7942799823 is an apocalyptic number.

7942799823 is a deficient number, since it is larger than the sum of its proper divisors (4872474417).

7942799823 is a wasteful number, since it uses less digits than its factorization.

7942799823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22248766.

The product of its digits is 13716864, while the sum is 60.

The square root of 7942799823 is about 89122.3867667378. The cubic root of 7942799823 is about 1995.2219126142.

The spelling of 7942799823 in words is "seven billion, nine hundred forty-two million, seven hundred ninety-nine thousand, eight hundred twenty-three".