7996838858 has 16 divisors (see below), whose sum is σ = 12657435840. Its totient is φ = 3781600416.

The previous prime is 7996838851. The next prime is 7996838867. The reversal of 7996838858 is 8588386997.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7996838791 and 7996838800.

It is not an unprimeable number, because it can be changed into a prime (7996838851) 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 7 ways as a sum of consecutive naturals, for example, 972560 + ... + 980747.

It is an arithmetic number, because the mean of its divisors is an integer number (791089740).

Almost surely, 2^7996838858 is an apocalyptic number.

7996838858 is a deficient number, since it is larger than the sum of its proper divisors (4660596982).

7996838858 is a wasteful number, since it uses less digits than its factorization.

7996838858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953421.

The product of its digits is 209018880, while the sum is 71.

The square root of 7996838858 is about 89425.0460329767. The cubic root of 7996838858 is about 1999.7365367951.

The spelling of 7996838858 in words is "seven billion, nine hundred ninety-six million, eight hundred thirty-eight thousand, eight hundred fifty-eight".