799786965 has 16 divisors (see below), whose sum is σ = 1280734848. Its totient is φ = 426194496.

The previous prime is 799786961. The next prime is 799786979. The reversal of 799786965 is 569687997.

It is not a de Polignac number, because 799786965 - 2² = 799786961 is a prime.

It is a super-2 number, since 2×799786965² = 1279318378767822450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 799786896 and 799786905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799786961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3454 + ... + 40143.

It is an arithmetic number, because the mean of its divisors is an integer number (80045928).

Almost surely, 2^799786965 is an apocalyptic number.

It is an amenable number.

799786965 is a deficient number, since it is larger than the sum of its proper divisors (480947883).

799786965 is a wasteful number, since it uses less digits than its factorization.

799786965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44828.

The product of its digits is 51438240, while the sum is 66.

The square root of 799786965 is about 28280.5050343872. The cubic root of 799786965 is about 928.2353576674.

The spelling of 799786965 in words is "seven hundred ninety-nine million, seven hundred eighty-six thousand, nine hundred sixty-five".