378075847 has 2 divisors, whose sum is σ = 378075848. Its totient is φ = 378075846.

The previous prime is 378075829. The next prime is 378075853. The reversal of 378075847 is 748570873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378075847 - 2¹⁵ = 378043079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378075847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378075947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189037923 + 189037924.

It is an arithmetic number, because the mean of its divisors is an integer number (189037924).

Almost surely, 2^378075847 is an apocalyptic number.

378075847 is a deficient number, since it is larger than the sum of its proper divisors (1).

378075847 is an equidigital number, since it uses as much as digits as its factorization.

378075847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 378075847 is about 19444.1725717501. The cubic root of 378075847 is about 723.0910363518.

The spelling of 378075847 in words is "three hundred seventy-eight million, seventy-five thousand, eight hundred forty-seven".