627047664 has 80 divisors (see below), whose sum is σ = 1703890944. Its totient is φ = 198432000.

The previous prime is 627047593. The next prime is 627047683. The reversal of 627047664 is 466740726.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 74889 + ... + 82839.

Almost surely, 2^627047664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627047664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851945472).

627047664 is an abundant number, since it is smaller than the sum of its proper divisors (1076843280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627047664 is a wasteful number, since it uses less digits than its factorization.

627047664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8046 (or 8040 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 627047664 is about 25040.9197914134. The cubic root of 627047664 is about 855.9206771344.

The spelling of 627047664 in words is "six hundred twenty-seven million, forty-seven thousand, six hundred sixty-four".