864242807 has 8 divisors (see below), whose sum is σ = 867310080. Its totient is φ = 861181920.

The previous prime is 864242803. The next prime is 864242837. The reversal of 864242807 is 708242468.

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

It is a cyclic number.

It is not a de Polignac number, because 864242807 - 2² = 864242803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864242803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518858 + ... + 520520.

It is an arithmetic number, because the mean of its divisors is an integer number (108413760).

Almost surely, 2^864242807 is an apocalyptic number.

864242807 is a deficient number, since it is larger than the sum of its proper divisors (3067273).

864242807 is a wasteful number, since it uses less digits than its factorization.

864242807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 864242807 is about 29398.0068542070. The cubic root of 864242807 is about 952.5298432150.

The spelling of 864242807 in words is "eight hundred sixty-four million, two hundred forty-two thousand, eight hundred seven".