834042878 has 8 divisors (see below), whose sum is σ = 1280158968. Its totient is φ = 407323224.

The previous prime is 834042793. The next prime is 834042907. The reversal of 834042878 is 878240438.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849001 + ... + 4849172.

It is an arithmetic number, because the mean of its divisors is an integer number (160019871).

Almost surely, 2^834042878 is an apocalyptic number.

834042878 is a deficient number, since it is larger than the sum of its proper divisors (446116090).

834042878 is a wasteful number, since it uses less digits than its factorization.

834042878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698218.

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 834042878 is about 28879.8005187016. The cubic root of 834042878 is about 941.3030359522.

The spelling of 834042878 in words is "eight hundred thirty-four million, forty-two thousand, eight hundred seventy-eight".