797165919 has 96 divisors (see below), whose sum is σ = 1380188160. Its totient is φ = 438177600.

The previous prime is 797165903. The next prime is 797165927. The reversal of 797165919 is 919561797.

It is a happy number.

It is not a de Polignac number, because 797165919 - 2⁴ = 797165903 is a prime.

It is a super-2 number, since 2×797165919² = 1270947004830229122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797165959) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6276834 + ... + 6276960.

It is an arithmetic number, because the mean of its divisors is an integer number (14376960).

Almost surely, 2^797165919 is an apocalyptic number.

797165919 is a deficient number, since it is larger than the sum of its proper divisors (583022241).

797165919 is a wasteful number, since it uses less digits than its factorization.

797165919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 278 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 54.

The square root of 797165919 is about 28234.1268503207. The cubic root of 797165919 is about 927.2202497852.

The spelling of 797165919 in words is "seven hundred ninety-seven million, one hundred sixty-five thousand, nine hundred nineteen".