264768547 has 4 divisors (see below), whose sum is σ = 264801096. Its totient is φ = 264736000.

The previous prime is 264768541. The next prime is 264768563. The reversal of 264768547 is 745867462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 264768547 - 2⁷ = 264768419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264768547.

It is not an unprimeable number, because it can be changed into a prime (264768541) 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, 7728 + ... + 24274.

It is an arithmetic number, because the mean of its divisors is an integer number (66200274).

Almost surely, 2^264768547 is an apocalyptic number.

264768547 is a deficient number, since it is larger than the sum of its proper divisors (32549).

264768547 is a wasteful number, since it uses less digits than its factorization.

264768547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32548.

The product of its digits is 2257920, while the sum is 49.

The square root of 264768547 is about 16271.7100207692. The cubic root of 264768547 is about 642.1287732229.

The spelling of 264768547 in words is "two hundred sixty-four million, seven hundred sixty-eight thousand, five hundred forty-seven".