7799998 has 8 divisors (see below), whose sum is σ = 11742480. Its totient is φ = 3885840.

The previous prime is 7799971. The next prime is 7799999. The reversal of 7799998 is 8999977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7799999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6378 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (1467810).

Almost surely, 2^7799998 is an apocalyptic number.

7799998 is a deficient number, since it is larger than the sum of its proper divisors (3942482).

7799998 is a wasteful number, since it uses less digits than its factorization.

7799998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162.

The product of its digits is 2571912, while the sum is 58.

The square root of 7799998 is about 2792.8476506963. The cubic root of 7799998 is about 198.3192313177.

The spelling of 7799998 in words is "seven million, seven hundred ninety-nine thousand, nine hundred ninety-eight".