799171617428 has 24 divisors (see below), whose sum is σ = 1399342829472. Its totient is φ = 399359457504.

The previous prime is 799171617421. The next prime is 799171617469. The reversal of 799171617428 is 824716171997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799171617421) 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 in 7 ways as a sum of consecutive naturals, for example, 81651551 + ... + 81661337.

It is an arithmetic number, because the mean of its divisors is an integer number (58305951228).

Almost surely, 2^799171617428 is an apocalyptic number.

It is an amenable number.

799171617428 is a deficient number, since it is larger than the sum of its proper divisors (600171212044).

799171617428 is a wasteful number, since it uses less digits than its factorization.

799171617428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271 (or 19269 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 62.

The spelling of 799171617428 in words is "seven hundred ninety-nine billion, one hundred seventy-one million, six hundred seventeen thousand, four hundred twenty-eight".