378790569 has 24 divisors (see below), whose sum is σ = 563314752. Its totient is φ = 245135520.

The previous prime is 378790567. The next prime is 378790589. The reversal of 378790569 is 965097873.

378790569 is a `hidden beast` number, since 3 + 7 + 8 + 79 + 0 + 569 = 666.

It is not a de Polignac number, because 378790569 - 2¹ = 378790567 is a prime.

It is a super-2 number, since 2×378790569² = 286964590326687522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378790567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61699 + ... + 67559.

It is an arithmetic number, because the mean of its divisors is an integer number (23471448).

Almost surely, 2^378790569 is an apocalyptic number.

It is an amenable number.

378790569 is a deficient number, since it is larger than the sum of its proper divisors (184524183).

378790569 is a wasteful number, since it uses less digits than its factorization.

378790569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077 (or 6074 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 378790569 is about 19462.5427167161. The cubic root of 378790569 is about 723.5463980254.

The spelling of 378790569 in words is "three hundred seventy-eight million, seven hundred ninety thousand, five hundred sixty-nine".