834404780 has 48 divisors (see below), whose sum is σ = 1938504960. Its totient is φ = 299140800.

The previous prime is 834404759. The next prime is 834404803. The reversal of 834404780 is 87404438.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11090 + ... + 42329.

It is an arithmetic number, because the mean of its divisors is an integer number (40385520).

Almost surely, 2^834404780 is an apocalyptic number.

It is an amenable number.

834404780 is an abundant number, since it is smaller than the sum of its proper divisors (1104100180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834404780 is a wasteful number, since it uses less digits than its factorization.

834404780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53510 (or 53508 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 834404780 is about 28886.0654987833. The cubic root of 834404780 is about 941.4391641217.

The spelling of 834404780 in words is "eight hundred thirty-four million, four hundred four thousand, seven hundred eighty".