265907967 has 16 divisors (see below), whose sum is σ = 388079328. Its totient is φ = 160951680.

The previous prime is 265907963. The next prime is 265907969. The reversal of 265907967 is 769709562.

It is not a de Polignac number, because 265907967 - 2² = 265907963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265907963) 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, 53508 + ... + 58265.

It is an arithmetic number, because the mean of its divisors is an integer number (24254958).

Almost surely, 2^265907967 is an apocalyptic number.

265907967 is a deficient number, since it is larger than the sum of its proper divisors (122171361).

265907967 is a wasteful number, since it uses less digits than its factorization.

265907967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111850.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 265907967 is about 16306.6847335686. The cubic root of 265907967 is about 643.0485795084.

The spelling of 265907967 in words is "two hundred sixty-five million, nine hundred seven thousand, nine hundred sixty-seven".