868313455 has 4 divisors (see below), whose sum is σ = 1041976152. Its totient is φ = 694650760.

The previous prime is 868313449. The next prime is 868313473. The reversal of 868313455 is 554313868.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 868313455 - 2¹⁵ = 868280687 is a prime.

It is a super-2 number, since 2×868313455² = 1507936512268074050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86831341 + ... + 86831350.

It is an arithmetic number, because the mean of its divisors is an integer number (260494038).

Almost surely, 2^868313455 is an apocalyptic number.

868313455 is a deficient number, since it is larger than the sum of its proper divisors (173662697).

868313455 is a wasteful number, since it uses less digits than its factorization.

868313455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173662696.

The product of its digits is 345600, while the sum is 43.

The square root of 868313455 is about 29467.1589231130. The cubic root of 868313455 is about 954.0229968804.

The spelling of 868313455 in words is "eight hundred sixty-eight million, three hundred thirteen thousand, four hundred fifty-five".