797738688 has 42 divisors (see below), whose sum is σ = 2286575564. Its totient is φ = 265912704.

The previous prime is 797738687. The next prime is 797738713. The reversal of 797738688 is 886837797.

It is a super-2 number, since 2×797738688² = 1272774028663922688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (797738687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691906 + ... + 693057.

Almost surely, 2^797738688 is an apocalyptic number.

It is an amenable number.

797738688 is an abundant number, since it is smaller than the sum of its proper divisors (1488836876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797738688 is a wasteful number, since it uses less digits than its factorization.

797738688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384981 (or 1384968 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The square root of 797738688 is about 28244.2682326875. The cubic root of 797738688 is about 927.4422679196.

It can be divided in two parts, 7977 and 38688, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 797738688 in words is "seven hundred ninety-seven million, seven hundred thirty-eight thousand, six hundred eighty-eight".