7998633704 has 8 divisors (see below), whose sum is σ = 14997438210. Its totient is φ = 3999316848.

The previous prime is 7998633703. The next prime is 7998633719. The reversal of 7998633704 is 4073368997.

It can be written as a sum of positive squares in only one way, i.e., 7745760100 + 252873604 = 88010^2 + 15902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7998633704² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7998633704.

It is not an unprimeable number, because it can be changed into a prime (7998633703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499914599 + ... + 499914614.

Almost surely, 2^7998633704 is an apocalyptic number.

It is an amenable number.

7998633704 is a deficient number, since it is larger than the sum of its proper divisors (6998804506).

7998633704 is a wasteful number, since it uses less digits than its factorization.

7998633704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999829219 (or 999829215 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 56.

The square root of 7998633704 is about 89435.0809470199. The cubic root of 7998633704 is about 1999.8861355176.

The spelling of 7998633704 in words is "seven billion, nine hundred ninety-eight million, six hundred thirty-three thousand, seven hundred four".