378867465 has 12 divisors (see below), whose sum is σ = 656703684. Its totient is φ = 202062624.

The previous prime is 378867451. The next prime is 378867473. The reversal of 378867465 is 564768873.

It can be written as a sum of positive squares in 2 ways, for example, as 198556281 + 180311184 = 14091^2 + 13428^2 .

It is a de Polignac number, because none of the positive numbers 2^k-378867465 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 4209594 + ... + 4209683.

It is an arithmetic number, because the mean of its divisors is an integer number (54725307).

Almost surely, 2^378867465 is an apocalyptic number.

It is an amenable number.

378867465 is a deficient number, since it is larger than the sum of its proper divisors (277836219).

378867465 is a wasteful number, since it uses less digits than its factorization.

378867465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419288 (or 8419285 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 378867465 is about 19464.5181034620. The cubic root of 378867465 is about 723.5953556499.

It can be divided in two parts, 3788 and 67465, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 378867465 in words is "three hundred seventy-eight million, eight hundred sixty-seven thousand, four hundred sixty-five".