378790719157 has 2 divisors, whose sum is σ = 378790719158. Its totient is φ = 378790719156.

The previous prime is 378790719149. The next prime is 378790719211. The reversal of 378790719157 is 751917097873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227134215396 + 151656503761 = 476586^2 + 389431^2 .

It is a cyclic number.

It is not a de Polignac number, because 378790719157 - 2³ = 378790719149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378790719127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189395359578 + 189395359579.

It is an arithmetic number, because the mean of its divisors is an integer number (189395359579).

Almost surely, 2^378790719157 is an apocalyptic number.

It is an amenable number.

378790719157 is a deficient number, since it is larger than the sum of its proper divisors (1).

378790719157 is an equidigital number, since it uses as much as digits as its factorization.

378790719157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23337720, while the sum is 64.

The spelling of 378790719157 in words is "three hundred seventy-eight billion, seven hundred ninety million, seven hundred nineteen thousand, one hundred fifty-seven".