627735454405379 has 2 divisors, whose sum is σ = 627735454405380. Its totient is φ = 627735454405378.

The previous prime is 627735454405351. The next prime is 627735454405427. The reversal of 627735454405379 is 973504454537726.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 627735454405379 - 2¹² = 627735454401283 is a prime.

It is not a weakly prime, because it can be changed into another prime (627735454407379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313867727202689 + 313867727202690.

It is an arithmetic number, because the mean of its divisors is an integer number (313867727202690).

Almost surely, 2^{627735454405379} is an apocalyptic number.

627735454405379 is a deficient number, since it is larger than the sum of its proper divisors (1).

627735454405379 is an equidigital number, since it uses as much as digits as its factorization.

627735454405379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168000, while the sum is 71.

The spelling of 627735454405379 in words is "six hundred twenty-seven trillion, seven hundred thirty-five billion, four hundred fifty-four million, four hundred five thousand, three hundred seventy-nine".