868513463 has 4 divisors (see below), whose sum is σ = 871973928. Its totient is φ = 865053000.

The previous prime is 868513433. The next prime is 868513487. The reversal of 868513463 is 364315868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868513463 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 (868513403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1729856 + ... + 1730357.

It is an arithmetic number, because the mean of its divisors is an integer number (217993482).

Almost surely, 2^868513463 is an apocalyptic number.

868513463 is a deficient number, since it is larger than the sum of its proper divisors (3460465).

868513463 is a wasteful number, since it uses less digits than its factorization.

868513463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460464.

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

The square root of 868513463 is about 29470.5524719168. The cubic root of 868513463 is about 954.0962413912.

The spelling of 868513463 in words is "eight hundred sixty-eight million, five hundred thirteen thousand, four hundred sixty-three".