797916671 has 4 divisors (see below), whose sum is σ = 797978592. Its totient is φ = 797854752.

The previous prime is 797916653. The next prime is 797916727. The reversal of 797916671 is 176619797.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797916671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797916071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3530 + ... + 40103.

It is an arithmetic number, because the mean of its divisors is an integer number (199494648).

Almost surely, 2^797916671 is an apocalyptic number.

797916671 is a deficient number, since it is larger than the sum of its proper divisors (61921).

797916671 is a wasteful number, since it uses less digits than its factorization.

797916671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61920.

The product of its digits is 1000188, while the sum is 53.

The square root of 797916671 is about 28247.4188378337. The cubic root of 797916671 is about 927.5112364867.

The spelling of 797916671 in words is "seven hundred ninety-seven million, nine hundred sixteen thousand, six hundred seventy-one".