378834551759 has 2 divisors, whose sum is σ = 378834551760. Its totient is φ = 378834551758.

The previous prime is 378834551677. The next prime is 378834551773. The reversal of 378834551759 is 957155438873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378834551759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378834551695 and 378834551704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378834551159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189417275879 + 189417275880.

It is an arithmetic number, because the mean of its divisors is an integer number (189417275880).

Almost surely, 2^378834551759 is an apocalyptic number.

378834551759 is a deficient number, since it is larger than the sum of its proper divisors (1).

378834551759 is an equidigital number, since it uses as much as digits as its factorization.

378834551759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008000, while the sum is 65.

The spelling of 378834551759 in words is "three hundred seventy-eight billion, eight hundred thirty-four million, five hundred fifty-one thousand, seven hundred fifty-nine".