264025887 has 8 divisors (see below), whose sum is σ = 355990320. Its totient is φ = 174039360.

The previous prime is 264025877. The next prime is 264025903. The reversal of 264025887 is 788520462.

It is a happy number.

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

It is not a de Polignac number, because 264025887 - 2⁸ = 264025631 is a prime.

It is a super-2 number, since 2×264025887² = 139419338012273538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264025877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494164 + ... + 494697.

It is an arithmetic number, because the mean of its divisors is an integer number (44498790).

Almost surely, 2^264025887 is an apocalyptic number.

264025887 is a deficient number, since it is larger than the sum of its proper divisors (91964433).

264025887 is an equidigital number, since it uses as much as digits as its factorization.

264025887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988953.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 264025887 is about 16248.8734071012. The cubic root of 264025887 is about 641.5278333546.

The spelling of 264025887 in words is "two hundred sixty-four million, twenty-five thousand, eight hundred eighty-seven".