378929177903 has 2 divisors, whose sum is σ = 378929177904. Its totient is φ = 378929177902.

The previous prime is 378929177849. The next prime is 378929177953. The reversal of 378929177903 is 309771929873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378929177903 - 2²² = 378924983599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378929177903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378929177953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189464588951 + 189464588952.

It is an arithmetic number, because the mean of its divisors is an integer number (189464588952).

Almost surely, 2^378929177903 is an apocalyptic number.

378929177903 is a deficient number, since it is larger than the sum of its proper divisors (1).

378929177903 is an equidigital number, since it uses as much as digits as its factorization.

378929177903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The spelling of 378929177903 in words is "three hundred seventy-eight billion, nine hundred twenty-nine million, one hundred seventy-seven thousand, nine hundred three".