536868865 has 8 divisors (see below), whose sum is σ = 693799848. Its totient is φ = 396456960.

The previous prime is 536868863. The next prime is 536868901. The reversal of 536868865 is 568868635.

It can be written as a sum of positive squares in 4 ways, for example, as 6395841 + 530473024 = 2529^2 + 23032^2 .

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

It is not a de Polignac number, because 536868865 - 2¹ = 536868863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536868863) 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, 4129696 + ... + 4129825.

It is an arithmetic number, because the mean of its divisors is an integer number (86724981).

Almost surely, 2^536868865 is an apocalyptic number.

It is an amenable number.

536868865 is a deficient number, since it is larger than the sum of its proper divisors (156930983).

536868865 is a wasteful number, since it uses less digits than its factorization.

536868865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259539.

The product of its digits is 8294400, while the sum is 55.

The square root of 536868865 is about 23170.4308332840. The cubic root of 536868865 is about 812.7483056468.

The spelling of 536868865 in words is "five hundred thirty-six million, eight hundred sixty-eight thousand, eight hundred sixty-five".