53378268787 has 2 divisors, whose sum is σ = 53378268788. Its totient is φ = 53378268786.

The previous prime is 53378268733. The next prime is 53378268817. The reversal of 53378268787 is 78786287335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53378268787 - 2¹⁹ = 53377744499 is a prime.

It is not a weakly prime, because it can be changed into another prime (53378260787) 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, 26689134393 + 26689134394.

It is an arithmetic number, because the mean of its divisors is an integer number (26689134394).

Almost surely, 2^53378268787 is an apocalyptic number.

53378268787 is a deficient number, since it is larger than the sum of its proper divisors (1).

53378268787 is an equidigital number, since it uses as much as digits as its factorization.

53378268787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94832640, while the sum is 64.

The spelling of 53378268787 in words is "fifty-three billion, three hundred seventy-eight million, two hundred sixty-eight thousand, seven hundred eighty-seven".