8628894578 has 16 divisors (see below), whose sum is σ = 14146804224. Its totient is φ = 3929666880.

The previous prime is 8628894559. The next prime is 8628894583. The reversal of 8628894578 is 8754988268.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092350 + ... + 4094457.

It is an arithmetic number, because the mean of its divisors is an integer number (884175264).

Almost surely, 2^8628894578 is an apocalyptic number.

8628894578 is a deficient number, since it is larger than the sum of its proper divisors (5517909646).

8628894578 is a wasteful number, since it uses less digits than its factorization.

8628894578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186857.

The product of its digits is 61931520, while the sum is 65.

The square root of 8628894578 is about 92891.8434417145. The cubic root of 8628894578 is about 2051.0915921890.

The spelling of 8628894578 in words is "eight billion, six hundred twenty-eight million, eight hundred ninety-four thousand, five hundred seventy-eight".