797950887 has 4 divisors (see below), whose sum is σ = 1063934520. Its totient is φ = 531967256.

The previous prime is 797950873. The next prime is 797950889. The reversal of 797950887 is 788059797.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 797950887 - 2¹⁰ = 797949863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797950887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797950889) 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 3 ways as a sum of consecutive naturals, for example, 132991812 + ... + 132991817.

It is an arithmetic number, because the mean of its divisors is an integer number (265983630).

Almost surely, 2^797950887 is an apocalyptic number.

797950887 is a deficient number, since it is larger than the sum of its proper divisors (265983633).

797950887 is a wasteful number, since it uses less digits than its factorization.

797950887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265983632.

The product of its (nonzero) digits is 8890560, while the sum is 60.

The square root of 797950887 is about 28248.0244795986. The cubic root of 797950887 is about 927.5244940410.

The spelling of 797950887 in words is "seven hundred ninety-seven million, nine hundred fifty thousand, eight hundred eighty-seven".