797530857 has 8 divisors (see below), whose sum is σ = 1063800576. Its totient is φ = 531474192.

The previous prime is 797530849. The next prime is 797530879. The reversal of 797530857 is 758035797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 797530857 - 2³ = 797530849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (797530817) 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, 44313 + ... + 59654.

It is an arithmetic number, because the mean of its divisors is an integer number (132975072).

Almost surely, 2^797530857 is an apocalyptic number.

It is an amenable number.

797530857 is a deficient number, since it is larger than the sum of its proper divisors (266269719).

797530857 is a wasteful number, since it uses less digits than its factorization.

797530857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106527.

The product of its (nonzero) digits is 1852200, while the sum is 51.

The square root of 797530857 is about 28240.5888217650. The cubic root of 797530857 is about 927.3617202423.

The spelling of 797530857 in words is "seven hundred ninety-seven million, five hundred thirty thousand, eight hundred fifty-seven".