627420766045 has 16 divisors (see below), whose sum is σ = 801240132528. Its totient is φ = 470012892160.

The previous prime is 627420766031. The next prime is 627420766057. The reversal of 627420766045 is 540667024726.

It can be written as a sum of positive squares in 8 ways, for example, as 312013850724 + 315406915321 = 558582^2 + 561611^2 .

It is not a de Polignac number, because 627420766045 - 2⁵ = 627420766013 is a prime.

It is a super-4 number, since 4×627420766045⁴ (a number of 48 digits) contains 4444 as substring.

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 627420766045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18717826 + ... + 18751315.

It is an arithmetic number, because the mean of its divisors is an integer number (50077508283).

Almost surely, 2^627420766045 is an apocalyptic number.

It is an amenable number.

627420766045 is a deficient number, since it is larger than the sum of its proper divisors (173819366483).

627420766045 is a wasteful number, since it uses less digits than its factorization.

627420766045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37469360.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 627420766045 in words is "six hundred twenty-seven billion, four hundred twenty million, seven hundred sixty-six thousand, forty-five".