63780600157 has 2 divisors, whose sum is σ = 63780600158. Its totient is φ = 63780600156.

The previous prime is 63780600071. The next prime is 63780600181. The reversal of 63780600157 is 75100608736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61776605401 + 2003994756 = 248549^2 + 44766^2 .

It is a cyclic number.

It is not a de Polignac number, because 63780600157 - 2³¹ = 61633116509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63780600197) 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, 31890300078 + 31890300079.

It is an arithmetic number, because the mean of its divisors is an integer number (31890300079).

Almost surely, 2^63780600157 is an apocalyptic number.

It is an amenable number.

63780600157 is a deficient number, since it is larger than the sum of its proper divisors (1).

63780600157 is an equidigital number, since it uses as much as digits as its factorization.

63780600157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 63780600157 in words is "sixty-three billion, seven hundred eighty million, six hundred thousand, one hundred fifty-seven".