868817464 has 8 divisors (see below), whose sum is σ = 1629032760. Its totient is φ = 434408728.

The previous prime is 868817447. The next prime is 868817473. The reversal of 868817464 is 464718868.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54301084 + ... + 54301099.

It is an arithmetic number, because the mean of its divisors is an integer number (203629095).

Almost surely, 2^868817464 is an apocalyptic number.

It is an amenable number.

868817464 is a deficient number, since it is larger than the sum of its proper divisors (760215296).

868817464 is a wasteful number, since it uses less digits than its factorization.

868817464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108602189 (or 108602185 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 868817464 is about 29475.7097285205. The cubic root of 868817464 is about 954.2075474290.

The spelling of 868817464 in words is "eight hundred sixty-eight million, eight hundred seventeen thousand, four hundred sixty-four".