378206833 has 8 divisors (see below), whose sum is σ = 382491200. Its totient is φ = 373934448.

The previous prime is 378206747. The next prime is 378206839. The reversal of 378206833 is 338602873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378206833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378206839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70438 + ... + 75616.

It is an arithmetic number, because the mean of its divisors is an integer number (47811400).

Almost surely, 2^378206833 is an apocalyptic number.

It is an amenable number.

378206833 is a deficient number, since it is larger than the sum of its proper divisors (4284367).

378206833 is a wasteful number, since it uses less digits than its factorization.

378206833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 378206833 is about 19447.5405385874. The cubic root of 378206833 is about 723.1745327077.

The spelling of 378206833 in words is "three hundred seventy-eight million, two hundred six thousand, eight hundred thirty-three".