797756538 has 32 divisors (see below), whose sum is σ = 1621633536. Its totient is φ = 261577008.

The previous prime is 797756489. The next prime is 797756567. The reversal of 797756538 is 835657797.

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 15 ways as a sum of consecutive naturals, for example, 523045 + ... + 524567.

It is an arithmetic number, because the mean of its divisors is an integer number (50676048).

Almost surely, 2^797756538 is an apocalyptic number.

797756538 is an abundant number, since it is smaller than the sum of its proper divisors (823876998).

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

797756538 is a wasteful number, since it uses less digits than its factorization.

797756538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

The product of its digits is 11113200, while the sum is 57.

The square root of 797756538 is about 28244.5842242367. The cubic root of 797756538 is about 927.4491852729.

The spelling of 797756538 in words is "seven hundred ninety-seven million, seven hundred fifty-six thousand, five hundred thirty-eight".