7798065902 has 32 divisors (see below), whose sum is σ = 12959987040. Its totient is φ = 3489502720.

The previous prime is 7798065887. The next prime is 7798065911. The reversal of 7798065902 is 2095608977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447668 + ... + 464760.

It is an arithmetic number, because the mean of its divisors is an integer number (404999595).

Almost surely, 2^7798065902 is an apocalyptic number.

7798065902 is a deficient number, since it is larger than the sum of its proper divisors (5161921138).

7798065902 is a wasteful number, since it uses less digits than its factorization.

7798065902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 7798065902 is about 88306.6583106846. The cubic root of 7798065902 is about 1983.0285508136.

The spelling of 7798065902 in words is "seven billion, seven hundred ninety-eight million, sixty-five thousand, nine hundred two".