797864766 has 16 divisors (see below), whose sum is σ = 1615929600. Its totient is φ = 262588248.

The previous prime is 797864761. The next prime is 797864783. The reversal of 797864766 is 667468797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797864761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841156 + ... + 842103.

It is an arithmetic number, because the mean of its divisors is an integer number (100995600).

Almost surely, 2^797864766 is an apocalyptic number.

797864766 is an abundant number, since it is smaller than the sum of its proper divisors (818064834).

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

797864766 is a wasteful number, since it uses less digits than its factorization.

797864766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683343.

The product of its digits is 21337344, while the sum is 60.

The square root of 797864766 is about 28246.5000663799. The cubic root of 797864766 is about 927.4911243136.

The spelling of 797864766 in words is "seven hundred ninety-seven million, eight hundred sixty-four thousand, seven hundred sixty-six".