378882969 has 4 divisors (see below), whose sum is σ = 505177296. Its totient is φ = 252588644.

The previous prime is 378882967. The next prime is 378882983. The reversal of 378882969 is 969288873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378882969 - 2¹ = 378882967 is a prime.

It is a super-4 number, since 4×378882969⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (378882967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63147159 + ... + 63147164.

It is an arithmetic number, because the mean of its divisors is an integer number (126294324).

Almost surely, 2^378882969 is an apocalyptic number.

It is an amenable number.

378882969 is a deficient number, since it is larger than the sum of its proper divisors (126294327).

378882969 is a wasteful number, since it uses less digits than its factorization.

378882969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126294326.

The product of its digits is 10450944, while the sum is 60.

The square root of 378882969 is about 19464.9163625226. The cubic root of 378882969 is about 723.6052258291.

The spelling of 378882969 in words is "three hundred seventy-eight million, eight hundred eighty-two thousand, nine hundred sixty-nine".