834551985 has 8 divisors (see below), whose sum is σ = 1335283200. Its totient is φ = 445094384.

The previous prime is 834551959. The next prime is 834551999. The reversal of 834551985 is 589155438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 834551985 - 2⁷ = 834551857 is a prime.

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, 27818385 + ... + 27818414.

It is an arithmetic number, because the mean of its divisors is an integer number (166910400).

Almost surely, 2^834551985 is an apocalyptic number.

It is an amenable number.

834551985 is a deficient number, since it is larger than the sum of its proper divisors (500731215).

834551985 is a wasteful number, since it uses less digits than its factorization.

834551985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55636807.

The product of its digits is 864000, while the sum is 48.

The square root of 834551985 is about 28888.6134142849. The cubic root of 834551985 is about 941.4945235055.

The spelling of 834551985 in words is "eight hundred thirty-four million, five hundred fifty-one thousand, nine hundred eighty-five".