378335057 has 2 divisors, whose sum is σ = 378335058. Its totient is φ = 378335056.

The previous prime is 378334933. The next prime is 378335071. The reversal of 378335057 is 750533873.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216943441 + 161391616 = 14729^2 + 12704^2 .

It is a cyclic number.

It is not a de Polignac number, because 378335057 - 2²⁶ = 311226193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378335077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189167528 + 189167529.

It is an arithmetic number, because the mean of its divisors is an integer number (189167529).

Almost surely, 2^378335057 is an apocalyptic number.

It is an amenable number.

378335057 is a deficient number, since it is larger than the sum of its proper divisors (1).

378335057 is an equidigital number, since it uses as much as digits as its factorization.

378335057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 378335057 is about 19450.8369228679. The cubic root of 378335057 is about 723.2562497700.

The spelling of 378335057 in words is "three hundred seventy-eight million, three hundred thirty-five thousand, fifty-seven".