864514507 has 4 divisors (see below), whose sum is σ = 867635776. Its totient is φ = 861393240.

The previous prime is 864514499. The next prime is 864514529. The reversal of 864514507 is 705415468.

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

It is a cyclic number.

It is not a de Polignac number, because 864514507 - 2³ = 864514499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 864514507.

It is not an unprimeable number, because it can be changed into a prime (864514907) by changing a digit.

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, 1560219 + ... + 1560772.

It is an arithmetic number, because the mean of its divisors is an integer number (216908944).

Almost surely, 2^864514507 is an apocalyptic number.

864514507 is a deficient number, since it is larger than the sum of its proper divisors (3121269).

864514507 is a wasteful number, since it uses less digits than its factorization.

864514507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121268.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 864514507 is about 29402.6275526525. The cubic root of 864514507 is about 952.6296512938.

The spelling of 864514507 in words is "eight hundred sixty-four million, five hundred fourteen thousand, five hundred seven".