3628778597 has 2 divisors, whose sum is σ = 3628778598. Its totient is φ = 3628778596.

The previous prime is 3628778591. The next prime is 3628778641. The reversal of 3628778597 is 7958778263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3179380996 + 449397601 = 56386^2 + 21199^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628778597 - 2⁶ = 3628778533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3628778591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814389298 + 1814389299.

It is an arithmetic number, because the mean of its divisors is an integer number (1814389299).

Almost surely, 2^3628778597 is an apocalyptic number.

It is an amenable number.

3628778597 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628778597 is an equidigital number, since it uses as much as digits as its factorization.

3628778597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 62.

The square root of 3628778597 is about 60239.3442610392. The cubic root of 3628778597 is about 1536.6919767890.

The spelling of 3628778597 in words is "three billion, six hundred twenty-eight million, seven hundred seventy-eight thousand, five hundred ninety-seven".