655319798 has 16 divisors (see below), whose sum is σ = 1125853344. Its totient is φ = 280239360.

The previous prime is 655319779. The next prime is 655319803. The reversal of 655319798 is 897913556.

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 7 ways as a sum of consecutive naturals, for example, 44315 + ... + 57222.

It is an arithmetic number, because the mean of its divisors is an integer number (70365834).

Almost surely, 2^655319798 is an apocalyptic number.

655319798 is a deficient number, since it is larger than the sum of its proper divisors (470533546).

655319798 is a wasteful number, since it uses less digits than its factorization.

655319798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102007.

The product of its digits is 2041200, while the sum is 53.

The square root of 655319798 is about 25599.2147926455. The cubic root of 655319798 is about 868.5958757139.

The spelling of 655319798 in words is "six hundred fifty-five million, three hundred nineteen thousand, seven hundred ninety-eight".