626880005 has 4 divisors (see below), whose sum is σ = 752256012. Its totient is φ = 501504000.

The previous prime is 626879969. The next prime is 626880041. The reversal of 626880005 is 500088626.

626880005 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.

It is an interprime number because it is at equal distance from previous prime (626879969) and next prime (626880041).

It can be written as a sum of positive squares in 2 ways, for example, as 274266721 + 352613284 = 16561^2 + 18778^2 .

It is not a de Polignac number, because 626880005 - 2⁶ = 626879941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62687996 + ... + 62688005.

It is an arithmetic number, because the mean of its divisors is an integer number (188064003).

Almost surely, 2^626880005 is an apocalyptic number.

It is an amenable number.

626880005 is a deficient number, since it is larger than the sum of its proper divisors (125376007).

626880005 is a wasteful number, since it uses less digits than its factorization.

626880005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125376006.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 626880005 is about 25037.5718670961. The cubic root of 626880005 is about 855.8443854346.

The spelling of 626880005 in words is "six hundred twenty-six million, eight hundred eighty thousand, five".