836864378 has 16 divisors (see below), whose sum is σ = 1458941760. Its totient is φ = 352576896.

The previous prime is 836864359. The next prime is 836864393. The reversal of 836864378 is 873468638.

836864378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505751 + ... + 507402.

It is an arithmetic number, because the mean of its divisors is an integer number (91183860).

Almost surely, 2^836864378 is an apocalyptic number.

836864378 is a deficient number, since it is larger than the sum of its proper divisors (622077382).

836864378 is a wasteful number, since it uses less digits than its factorization.

836864378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013221.

The product of its digits is 4644864, while the sum is 53.

The square root of 836864378 is about 28928.6082969783. The cubic root of 836864378 is about 942.3632920926.

The spelling of 836864378 in words is "eight hundred thirty-six million, eight hundred sixty-four thousand, three hundred seventy-eight".