265827997 has 8 divisors (see below), whose sum is σ = 293702976. Its totient is φ = 239312832.

The previous prime is 265827983. The next prime is 265828049. The reversal of 265827997 is 799728562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265827997 - 2¹¹ = 265825949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265827937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339543 + ... + 340324.

It is an arithmetic number, because the mean of its divisors is an integer number (36712872).

Almost surely, 2^265827997 is an apocalyptic number.

It is an amenable number.

265827997 is a deficient number, since it is larger than the sum of its proper divisors (27874979).

265827997 is a wasteful number, since it uses less digits than its factorization.

265827997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679907.

The product of its digits is 3810240, while the sum is 55.

The square root of 265827997 is about 16304.2324873022. The cubic root of 265827997 is about 642.9841088928.

The spelling of 265827997 in words is "two hundred sixty-five million, eight hundred twenty-seven thousand, nine hundred ninety-seven".