797948919 has 12 divisors (see below), whose sum is σ = 1183744536. Its totient is φ = 517588272.

The previous prime is 797948917. The next prime is 797948927. The reversal of 797948919 is 919849797.

797948919 is a `hidden beast` number, since 79 + 79 + 489 + 19 = 666.

It is not a de Polignac number, because 797948919 - 2¹ = 797948917 is a prime.

It is a super-2 number, since 2×797948919² = 1273444954666537122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797948917) 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 11 ways as a sum of consecutive naturals, for example, 1197789 + ... + 1198454.

It is an arithmetic number, because the mean of its divisors is an integer number (98645378).

Almost surely, 2^797948919 is an apocalyptic number.

797948919 is a deficient number, since it is larger than the sum of its proper divisors (385795617).

797948919 is a wasteful number, since it uses less digits than its factorization.

797948919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396286 (or 2396283 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 797948919 is about 28247.9896452827. The cubic root of 797948919 is about 927.5237315172.

The spelling of 797948919 in words is "seven hundred ninety-seven million, nine hundred forty-eight thousand, nine hundred nineteen".