264864877 has 4 divisors (see below), whose sum is σ = 267294940. Its totient is φ = 262434816.

The previous prime is 264864871. The next prime is 264864889. The reversal of 264864877 is 778468462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778468462 = 2 ⋅389234231.

It can be written as a sum of positive squares in 2 ways, for example, as 173738761 + 91126116 = 13181^2 + 9546^2 .

It is a cyclic number.

It is not a de Polignac number, because 264864877 - 2¹⁵ = 264832109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264864871) 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, 1214868 + ... + 1215085.

It is an arithmetic number, because the mean of its divisors is an integer number (66823735).

Almost surely, 2^264864877 is an apocalyptic number.

It is an amenable number.

264864877 is a deficient number, since it is larger than the sum of its proper divisors (2430063).

264864877 is a wasteful number, since it uses less digits than its factorization.

264864877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430062.

The product of its digits is 3612672, while the sum is 52.

The square root of 264864877 is about 16274.6697969575. The cubic root of 264864877 is about 642.2066384191.

The spelling of 264864877 in words is "two hundred sixty-four million, eight hundred sixty-four thousand, eight hundred seventy-seven".