863564117804 has 6 divisors (see below), whose sum is σ = 1511237206164. Its totient is φ = 431782058900.

The previous prime is 863564117791. The next prime is 863564117813. The reversal of 863564117804 is 408711465368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107945514722 + ... + 107945514729.

It is an arithmetic number, because the mean of its divisors is an integer number (251872867694).

Almost surely, 2^863564117804 is an apocalyptic number.

It is an amenable number.

863564117804 is a deficient number, since it is larger than the sum of its proper divisors (647673088360).

863564117804 is a wasteful number, since it uses less digits than its factorization.

863564117804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215891029455 (or 215891029453 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 863564117804 in words is "eight hundred sixty-three billion, five hundred sixty-four million, one hundred seventeen thousand, eight hundred four".