378812102797 has 2 divisors, whose sum is σ = 378812102798. Its totient is φ = 378812102796.

The previous prime is 378812102749. The next prime is 378812102813. The reversal of 378812102797 is 797201218873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279348189156 + 99463913641 = 528534^2 + 315379^2 .

It is an emirp because it is prime and its reverse (797201218873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378812102797 - 2¹⁵ = 378812070029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378812102707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189406051398 + 189406051399.

It is an arithmetic number, because the mean of its divisors is an integer number (189406051399).

Almost surely, 2^378812102797 is an apocalyptic number.

It is an amenable number.

378812102797 is a deficient number, since it is larger than the sum of its proper divisors (1).

378812102797 is an equidigital number, since it uses as much as digits as its factorization.

378812102797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 378812102797 in words is "three hundred seventy-eight billion, eight hundred twelve million, one hundred two thousand, seven hundred ninety-seven".