264896872 has 8 divisors (see below), whose sum is σ = 496681650. Its totient is φ = 132448432.

The previous prime is 264896869. The next prime is 264896881. The reversal of 264896872 is 278698462.

It can be written as a sum of positive squares in only one way, i.e., 145781476 + 119115396 = 12074^2 + 10914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556047 + ... + 16556062.

Almost surely, 2^264896872 is an apocalyptic number.

It is an amenable number.

264896872 is a deficient number, since it is larger than the sum of its proper divisors (231784778).

264896872 is a wasteful number, since it uses less digits than its factorization.

264896872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33112115 (or 33112111 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 264896872 is about 16275.6527365264. The cubic root of 264896872 is about 642.2324963513.

The spelling of 264896872 in words is "two hundred sixty-four million, eight hundred ninety-six thousand, eight hundred seventy-two".