378029497 has 2 divisors, whose sum is σ = 378029498. Its totient is φ = 378029496.

The previous prime is 378029441. The next prime is 378029501. The reversal of 378029497 is 794920873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367718976 + 10310521 = 19176^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 378029497 - 2¹¹ = 378027449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378029497.

It is not a weakly prime, because it can be changed into another prime (378029417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189014748 + 189014749.

It is an arithmetic number, because the mean of its divisors is an integer number (189014749).

Almost surely, 2^378029497 is an apocalyptic number.

It is an amenable number.

378029497 is a deficient number, since it is larger than the sum of its proper divisors (1).

378029497 is an equidigital number, since it uses as much as digits as its factorization.

378029497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 378029497 is about 19442.9806614109. The cubic root of 378029497 is about 723.0614861619.

The spelling of 378029497 in words is "three hundred seventy-eight million, twenty-nine thousand, four hundred ninety-seven".