264788105 has 4 divisors (see below), whose sum is σ = 317745732. Its totient is φ = 211830480.

The previous prime is 264788089. The next prime is 264788119. The reversal of 264788105 is 501887462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69822736 + 194965369 = 8356^2 + 13963^2 .

It is not a de Polignac number, because 264788105 - 2⁴ = 264788089 is a prime.

It is a super-2 number, since 2×264788105² = 140225481098982050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26478806 + ... + 26478815.

It is an arithmetic number, because the mean of its divisors is an integer number (79436433).

Almost surely, 2^264788105 is an apocalyptic number.

It is an amenable number.

264788105 is a deficient number, since it is larger than the sum of its proper divisors (52957627).

264788105 is an equidigital number, since it uses as much as digits as its factorization.

264788105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52957626.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 264788105 is about 16272.3109913743. The cubic root of 264788105 is about 642.1445838185.

The spelling of 264788105 in words is "two hundred sixty-four million, seven hundred eighty-eight thousand, one hundred five".