797063638 has 32 divisors (see below), whose sum is σ = 1378099008. Its totient is φ = 338688000.

The previous prime is 797063633. The next prime is 797063639. The reversal of 797063638 is 836360797.

It is a junction number, because it is equal to n+sod(n) for n = 797063591 and 797063600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797063633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136688 + ... + 1137388.

It is an arithmetic number, because the mean of its divisors is an integer number (43065594).

Almost surely, 2^797063638 is an apocalyptic number.

797063638 is a deficient number, since it is larger than the sum of its proper divisors (581035370).

797063638 is a wasteful number, since it uses less digits than its factorization.

797063638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 797063638 is about 28232.3154912947. The cubic root of 797063638 is about 927.1805921814.

The spelling of 797063638 in words is "seven hundred ninety-seven million, sixty-three thousand, six hundred thirty-eight".