7798798 has 8 divisors (see below), whose sum is σ = 13369392. Its totient is φ = 3342336.

The previous prime is 7798793. The next prime is 7798799. The reversal of 7798798 is 8978977.

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 (7798793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278515 + ... + 278542.

It is an arithmetic number, because the mean of its divisors is an integer number (1671174).

Almost surely, 2^7798798 is an apocalyptic number.

7798798 is a deficient number, since it is larger than the sum of its proper divisors (5570594).

7798798 is a wasteful number, since it uses less digits than its factorization.

7798798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557066.

The product of its digits is 1778112, while the sum is 55.

The square root of 7798798 is about 2792.6328079431. The cubic root of 7798798 is about 198.3090605765.

The spelling of 7798798 in words is "seven million, seven hundred ninety-eight thousand, seven hundred ninety-eight".