264813855 has 8 divisors (see below), whose sum is σ = 423702192. Its totient is φ = 141234048.

The previous prime is 264813841. The next prime is 264813869. The reversal of 264813855 is 558318462.

It is an interprime number because it is at equal distance from previous prime (264813841) and next prime (264813869).

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

It is not a de Polignac number, because 264813855 - 2⁹ = 264813343 is a prime.

It is a super-2 number, since 2×264813855² = 140252755599922050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8827114 + ... + 8827143.

It is an arithmetic number, because the mean of its divisors is an integer number (52962774).

Almost surely, 2^264813855 is an apocalyptic number.

264813855 is a deficient number, since it is larger than the sum of its proper divisors (158888337).

264813855 is a wasteful number, since it uses less digits than its factorization.

264813855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17654265.

The product of its digits is 230400, while the sum is 42.

The square root of 264813855 is about 16273.1021934971. The cubic root of 264813855 is about 642.1653988108.

The spelling of 264813855 in words is "two hundred sixty-four million, eight hundred thirteen thousand, eight hundred fifty-five".