864951105 has 32 divisors (see below), whose sum is σ = 1417641984. Its totient is φ = 450127296.

The previous prime is 864951083. The next prime is 864951107. The reversal of 864951105 is 501159468.

It is not a de Polignac number, because 864951105 - 2¹⁰ = 864950081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864951107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257064 + ... + 260406.

It is an arithmetic number, because the mean of its divisors is an integer number (44301312).

Almost surely, 2^864951105 is an apocalyptic number.

It is an amenable number.

864951105 is a deficient number, since it is larger than the sum of its proper divisors (552690879).

864951105 is a wasteful number, since it uses less digits than its factorization.

864951105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 864951105 is about 29410.0510880209. The cubic root of 864951105 is about 952.7899903054.

The spelling of 864951105 in words is "eight hundred sixty-four million, nine hundred fifty-one thousand, one hundred five".