798783644 has 6 divisors (see below), whose sum is σ = 1397871384. Its totient is φ = 399391820.

The previous prime is 798783613. The next prime is 798783647. The reversal of 798783644 is 446387897.

It is a self number, because there is not a number n which added to its sum of digits gives 798783644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798783647) by changing a digit.

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 as a sum of consecutive naturals, namely, 99847952 + ... + 99847959.

It is an arithmetic number, because the mean of its divisors is an integer number (232978564).

Almost surely, 2^798783644 is an apocalyptic number.

It is an amenable number.

798783644 is a deficient number, since it is larger than the sum of its proper divisors (599087740).

798783644 is a wasteful number, since it uses less digits than its factorization.

798783644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199695915 (or 199695913 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 798783644 is about 28262.7607285629. The cubic root of 798783644 is about 927.8470427030.

The spelling of 798783644 in words is "seven hundred ninety-eight million, seven hundred eighty-three thousand, six hundred forty-four".