7694798399 has 4 divisors (see below), whose sum is σ = 7694973840. Its totient is φ = 7694622960.

The previous prime is 7694798359. The next prime is 7694798407. The reversal of 7694798399 is 9938974967.

It is a Cunningham number, because it is equal to 87720²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7694798399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7694798329) 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 3 ways as a sum of consecutive naturals, for example, 43859 + ... + 131579.

It is an arithmetic number, because the mean of its divisors is an integer number (1923743460).

Almost surely, 2^7694798399 is an apocalyptic number.

7694798399 is a deficient number, since it is larger than the sum of its proper divisors (175441).

7694798399 is an equidigital number, since it uses as much as digits as its factorization.

7694798399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175440.

The product of its digits is 185177664, while the sum is 71.

The square root of 7694798399 is about 87719.9999943000. Note that the first 5 decimals coincide. The cubic root of 7694798399 is about 1974.2360682938.

The spelling of 7694798399 in words is "seven billion, six hundred ninety-four million, seven hundred ninety-eight thousand, three hundred ninety-nine".