8555463994 has 72 divisors (see below), whose sum is σ = 16451376480. Its totient is φ = 3324681360.

The previous prime is 8555463989. The next prime is 8555464007. The reversal of 8555463994 is 4993645558.

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 in 35 ways as a sum of consecutive naturals, for example, 6485667 + ... + 6486985.

It is an arithmetic number, because the mean of its divisors is an integer number (228491340).

Almost surely, 2^8555463994 is an apocalyptic number.

8555463994 is a deficient number, since it is larger than the sum of its proper divisors (7895912486).

8555463994 is a wasteful number, since it uses less digits than its factorization.

8555463994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1886 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 58.

The square root of 8555463994 is about 92495.7512213399. The cubic root of 8555463994 is about 2045.2568503890.

The spelling of 8555463994 in words is "eight billion, five hundred fifty-five million, four hundred sixty-three thousand, nine hundred ninety-four".