378788345 has 32 divisors (see below), whose sum is σ = 503967744. Its totient is φ = 271584000.

The previous prime is 378788327. The next prime is 378788363. The reversal of 378788345 is 543887873.

378788345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (378788327) and next prime (378788363).

It is not a de Polignac number, because 378788345 - 2¹⁸ = 378526201 is a prime.

It is a super-2 number, since 2×378788345² = 286961220615678050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328520 + ... + 329670.

It is an arithmetic number, because the mean of its divisors is an integer number (15748992).

Almost surely, 2^378788345 is an apocalyptic number.

It is an amenable number.

378788345 is a deficient number, since it is larger than the sum of its proper divisors (125179399).

378788345 is a wasteful number, since it uses less digits than its factorization.

378788345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its digits is 4515840, while the sum is 53.

The square root of 378788345 is about 19462.4855812406. The cubic root of 378788345 is about 723.5449819655.

The spelling of 378788345 in words is "three hundred seventy-eight million, seven hundred eighty-eight thousand, three hundred forty-five".