627990164639 has 8 divisors (see below), whose sum is σ = 630831022080. Its totient is φ = 625149528696.

The previous prime is 627990164617. The next prime is 627990164663. The reversal of 627990164639 is 936461099726.

627990164639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 627990164639 - 2¹⁶ = 627990099103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627990164609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8848754 + ... + 8919440.

It is an arithmetic number, because the mean of its divisors is an integer number (78853877760).

Almost surely, 2^627990164639 is an apocalyptic number.

627990164639 is a deficient number, since it is larger than the sum of its proper divisors (2840857441).

627990164639 is a wasteful number, since it uses less digits than its factorization.

627990164639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110749.

The product of its (nonzero) digits is 26453952, while the sum is 62.

The spelling of 627990164639 in words is "six hundred twenty-seven billion, nine hundred ninety million, one hundred sixty-four thousand, six hundred thirty-nine".