627116805 has 48 divisors (see below), whose sum is σ = 1244206080. Its totient is φ = 286239744.

The previous prime is 627116803. The next prime is 627116813. The reversal of 627116805 is 508611726.

It is not a de Polignac number, because 627116805 - 2¹ = 627116803 is a prime.

It is a super-2 number, since 2×627116805² = 786550974226816050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 627116805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627116803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291564 + ... + 293706.

It is an arithmetic number, because the mean of its divisors is an integer number (25920960).

Almost surely, 2^627116805 is an apocalyptic number.

It is an amenable number.

627116805 is a deficient number, since it is larger than the sum of its proper divisors (617089275).

627116805 is a wasteful number, since it uses less digits than its factorization.

627116805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 627116805 is about 25042.3003136693. The cubic root of 627116805 is about 855.9521351559.

The spelling of 627116805 in words is "six hundred twenty-seven million, one hundred sixteen thousand, eight hundred five".