808126965 has 24 divisors (see below), whose sum is σ = 1461657600. Its totient is φ = 412261344.

The previous prime is 808126961. The next prime is 808127017. The reversal of 808126965 is 569621808.

It is not a de Polignac number, because 808126965 - 2² = 808126961 is a prime.

It is a super-2 number, since 2×808126965² = 1306138383120222450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 808126965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808126961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389365 + ... + 391434.

It is an arithmetic number, because the mean of its divisors is an integer number (60902400).

Almost surely, 2^808126965 is an apocalyptic number.

It is an amenable number.

808126965 is a deficient number, since it is larger than the sum of its proper divisors (653530635).

808126965 is a wasteful number, since it uses less digits than its factorization.

808126965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780833 (or 780830 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 808126965 is about 28427.5740259347. The cubic root of 808126965 is about 931.4506842542.

The spelling of 808126965 in words is "eight hundred eight million, one hundred twenty-six thousand, nine hundred sixty-five".