627680677 has 4 divisors (see below), whose sum is σ = 675963820. Its totient is φ = 579397536.

The previous prime is 627680663. The next prime is 627680687. The reversal of 627680677 is 776086726.

627680677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776086726 = 2 ⋅388043363.

It can be written as a sum of positive squares in 2 ways, for example, as 55562116 + 572118561 = 7454^2 + 23919^2 .

It is a cyclic number.

It is not a de Polignac number, because 627680677 - 2⁷ = 627680549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 627680677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627680657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24141552 + ... + 24141577.

It is an arithmetic number, because the mean of its divisors is an integer number (168990955).

Almost surely, 2^627680677 is an apocalyptic number.

It is an amenable number.

627680677 is a deficient number, since it is larger than the sum of its proper divisors (48283143).

627680677 is a wasteful number, since it uses less digits than its factorization.

627680677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48283142.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 627680677 is about 25053.5561747230. The cubic root of 627680677 is about 856.2086013906.

The spelling of 627680677 in words is "six hundred twenty-seven million, six hundred eighty thousand, six hundred seventy-seven".