378888053 has 2 divisors, whose sum is σ = 378888054. Its totient is φ = 378888052.

The previous prime is 378888017. The next prime is 378888113. The reversal of 378888053 is 350888873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378185809 + 702244 = 19447^2 + 838^2 .

It is an emirp because it is prime and its reverse (350888873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378888053 - 2⁶ = 378887989 is a prime.

It is a super-2 number, since 2×378888053² = 287112313412261618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378887992 and 378888010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378818053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189444026 + 189444027.

It is an arithmetic number, because the mean of its divisors is an integer number (189444027).

Almost surely, 2^378888053 is an apocalyptic number.

It is an amenable number.

378888053 is a deficient number, since it is larger than the sum of its proper divisors (1).

378888053 is an equidigital number, since it uses as much as digits as its factorization.

378888053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 378888053 is about 19465.0469560184. The cubic root of 378888053 is about 723.6084623540.

The spelling of 378888053 in words is "three hundred seventy-eight million, eight hundred eighty-eight thousand, fifty-three".