378815612303 has 2 divisors, whose sum is σ = 378815612304. Its totient is φ = 378815612302.

The previous prime is 378815612293. The next prime is 378815612311. The reversal of 378815612303 is 303216518873.

It is a strong prime.

It is an emirp because it is prime and its reverse (303216518873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378815612303 - 2²⁶ = 378748503439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378815672303) 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, 189407806151 + 189407806152.

It is an arithmetic number, because the mean of its divisors is an integer number (189407806152).

Almost surely, 2^378815612303 is an apocalyptic number.

378815612303 is a deficient number, since it is larger than the sum of its proper divisors (1).

378815612303 is an equidigital number, since it uses as much as digits as its factorization.

378815612303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 378815612303 in words is "three hundred seventy-eight billion, eight hundred fifteen million, six hundred twelve thousand, three hundred three".