264987871 has 8 divisors (see below), whose sum is σ = 266810544. Its totient is φ = 263171520.

The previous prime is 264987847. The next prime is 264987911. The reversal of 264987871 is 178789462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264987871 - 2⁵ = 264987839 is a prime.

It is a super-2 number, since 2×264987871² = 140437143554225282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264987571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106180 + ... + 108646.

It is an arithmetic number, because the mean of its divisors is an integer number (33351318).

Almost surely, 2^264987871 is an apocalyptic number.

264987871 is a deficient number, since it is larger than the sum of its proper divisors (1822673).

264987871 is a wasteful number, since it uses less digits than its factorization.

264987871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its digits is 1354752, while the sum is 52.

The square root of 264987871 is about 16278.4480525632. The cubic root of 264987871 is about 642.3060291486.

The spelling of 264987871 in words is "two hundred sixty-four million, nine hundred eighty-seven thousand, eight hundred seventy-one".