863471456 has 24 divisors (see below), whose sum is σ = 1700614440. Its totient is φ = 431569408.

The previous prime is 863471449. The next prime is 863471507. The reversal of 863471456 is 654174368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157595 + ... + 162981.

It is an arithmetic number, because the mean of its divisors is an integer number (70858935).

Almost surely, 2^863471456 is an apocalyptic number.

It is an amenable number.

863471456 is a deficient number, since it is larger than the sum of its proper divisors (837142984).

863471456 is a wasteful number, since it uses less digits than its factorization.

863471456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406 (or 10398 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 863471456 is about 29384.8848219625. The cubic root of 863471456 is about 952.2463759852.

The spelling of 863471456 in words is "eight hundred sixty-three million, four hundred seventy-one thousand, four hundred fifty-six".