627665264415265 has 4 divisors (see below), whose sum is σ = 753198317298324. Its totient is φ = 502132211532208.

The previous prime is 627665264415223. The next prime is 627665264415313. The reversal of 627665264415265 is 562514462566726.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82759484506176 + 544905779909089 = 9097224^2 + 23343217^2 .

It is a cyclic number.

It is not a de Polignac number, because 627665264415265 - 2⁹ = 627665264414753 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 627665264415265.

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, 62766526441522 + ... + 62766526441531.

It is an arithmetic number, because the mean of its divisors is an integer number (188299579324581).

Almost surely, 2^{627665264415265} is an apocalyptic number.

It is an amenable number.

627665264415265 is a deficient number, since it is larger than the sum of its proper divisors (125533052883059).

627665264415265 is a wasteful number, since it uses less digits than its factorization.

627665264415265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125533052883058.

The product of its digits is 870912000, while the sum is 67.

The spelling of 627665264415265 in words is "six hundred twenty-seven trillion, six hundred sixty-five billion, two hundred sixty-four million, four hundred fifteen thousand, two hundred sixty-five".