378125677 has 2 divisors, whose sum is σ = 378125678. Its totient is φ = 378125676.

The previous prime is 378125663. The next prime is 378125717. The reversal of 378125677 is 776521873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210656196 + 167469481 = 14514^2 + 12941^2 .

It is an emirp because it is prime and its reverse (776521873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378125677 - 2¹⁵ = 378092909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378125177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189062838 + 189062839.

It is an arithmetic number, because the mean of its divisors is an integer number (189062839).

Almost surely, 2^378125677 is an apocalyptic number.

It is an amenable number.

378125677 is a deficient number, since it is larger than the sum of its proper divisors (1).

378125677 is an equidigital number, since it uses as much as digits as its factorization.

378125677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 46.

The square root of 378125677 is about 19445.4538903056. The cubic root of 378125677 is about 723.1228025029.

The spelling of 378125677 in words is "three hundred seventy-eight million, one hundred twenty-five thousand, six hundred seventy-seven".