626890065 has 16 divisors (see below), whose sum is σ = 1012228800. Its totient is φ = 331273152.

The previous prime is 626890063. The next prime is 626890067. The reversal of 626890065 is 560098626.

626890065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (626890063) and next prime (626890067).

It is not a de Polignac number, because 626890065 - 2¹ = 626890063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626889999 and 626890026.

It is not an unprimeable number, because it can be changed into a prime (626890063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190075 + ... + 193344.

It is an arithmetic number, because the mean of its divisors is an integer number (63264300).

Almost surely, 2^626890065 is an apocalyptic number.

It is an amenable number.

626890065 is a deficient number, since it is larger than the sum of its proper divisors (385338735).

626890065 is a wasteful number, since it uses less digits than its factorization.

626890065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383536.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 626890065 is about 25037.7727643654. The cubic root of 626890065 is about 855.8489635295.

The spelling of 626890065 in words is "six hundred twenty-six million, eight hundred ninety thousand, sixty-five".