200130778637 has 2 divisors, whose sum is σ = 200130778638. Its totient is φ = 200130778636.

The previous prime is 200130778633. The next prime is 200130778651. The reversal of 200130778637 is 736877031002.

200130778637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118521144361 + 81609634276 = 344269^2 + 285674^2 .

It is a cyclic number.

It is not a de Polignac number, because 200130778637 - 2² = 200130778633 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200130778633) by changing a digit.

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 as a sum of consecutive naturals, namely, 100065389318 + 100065389319.

It is an arithmetic number, because the mean of its divisors is an integer number (100065389319).

Almost surely, 2^200130778637 is an apocalyptic number.

It is an amenable number.

200130778637 is a deficient number, since it is larger than the sum of its proper divisors (1).

200130778637 is an equidigital number, since it uses as much as digits as its factorization.

200130778637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 200130778637 in words is "two hundred billion, one hundred thirty million, seven hundred seventy-eight thousand, six hundred thirty-seven".