265478768 has 20 divisors (see below), whose sum is σ = 518419200. Its totient is φ = 131693184.

The previous prime is 265478767. The next prime is 265478779. The reversal of 265478768 is 867874562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265478767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63293 + ... + 67356.

It is an arithmetic number, because the mean of its divisors is an integer number (25920960).

Almost surely, 2^265478768 is an apocalyptic number.

It is an amenable number.

265478768 is a deficient number, since it is larger than the sum of its proper divisors (252940432).

265478768 is a wasteful number, since it uses less digits than its factorization.

265478768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130784 (or 130778 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

The square root of 265478768 is about 16293.5192024314. The cubic root of 265478768 is about 642.7024140818.

The spelling of 265478768 in words is "two hundred sixty-five million, four hundred seventy-eight thousand, seven hundred sixty-eight".