863865413 has 8 divisors (see below), whose sum is σ = 878566080. Its totient is φ = 849283200.

The previous prime is 863865403. The next prime is 863865461. The reversal of 863865413 is 314568368.

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 863865413 - 2¹⁴ = 863849029 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 (863865403) 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, 14843 + ... + 44136.

It is an arithmetic number, because the mean of its divisors is an integer number (109820760).

Almost surely, 2^863865413 is an apocalyptic number.

It is an amenable number.

863865413 is a deficient number, since it is larger than the sum of its proper divisors (14700667).

863865413 is a wasteful number, since it uses less digits than its factorization.

863865413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59227.

The product of its digits is 414720, while the sum is 44.

The square root of 863865413 is about 29391.5874528750. The cubic root of 863865413 is about 952.3911740884.

The spelling of 863865413 in words is "eight hundred sixty-three million, eight hundred sixty-five thousand, four hundred thirteen".