265879087 has 2 divisors, whose sum is σ = 265879088. Its totient is φ = 265879086.

The previous prime is 265879073. The next prime is 265879091. The reversal of 265879087 is 780978562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265879087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265879007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132939543 + 132939544.

It is an arithmetic number, because the mean of its divisors is an integer number (132939544).

Almost surely, 2^265879087 is an apocalyptic number.

265879087 is a deficient number, since it is larger than the sum of its proper divisors (1).

265879087 is an equidigital number, since it uses as much as digits as its factorization.

265879087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 265879087 is about 16305.7991831127. The cubic root of 265879087 is about 643.0252983765.

The spelling of 265879087 in words is "two hundred sixty-five million, eight hundred seventy-nine thousand, eighty-seven".