7995005998 has 32 divisors (see below), whose sum is σ = 14198054400. Its totient is φ = 3303677664.

The previous prime is 7995005987. The next prime is 7995005999. The reversal of 7995005998 is 8995005997.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7995005999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286711 + ... + 313357.

It is an arithmetic number, because the mean of its divisors is an integer number (443689200).

Almost surely, 2^7995005998 is an apocalyptic number.

7995005998 is a deficient number, since it is larger than the sum of its proper divisors (6203048402).

7995005998 is a wasteful number, since it uses less digits than its factorization.

7995005998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27424.

The product of its (nonzero) digits is 9185400, while the sum is 61.

The square root of 7995005998 is about 89414.7974219033. The cubic root of 7995005998 is about 1999.5837465392.

Subtracting 7995005998 from its reverse (8995005997), we obtain a palindrome (999999999).

The spelling of 7995005998 in words is "seven billion, nine hundred ninety-five million, five thousand, nine hundred ninety-eight".