628059277 has 2 divisors, whose sum is σ = 628059278. Its totient is φ = 628059276.

The previous prime is 628059259. The next prime is 628059281. The reversal of 628059277 is 772950826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539586441 + 88472836 = 23229^2 + 9406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628059277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628059217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314029638 + 314029639.

It is an arithmetic number, because the mean of its divisors is an integer number (314029639).

Almost surely, 2^628059277 is an apocalyptic number.

It is an amenable number.

628059277 is a deficient number, since it is larger than the sum of its proper divisors (1).

628059277 is an equidigital number, since it uses as much as digits as its factorization.

628059277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 628059277 is about 25061.1108492820. The cubic root of 628059277 is about 856.3807140774.

The spelling of 628059277 in words is "six hundred twenty-eight million, fifty-nine thousand, two hundred seventy-seven".