830685855 has 8 divisors (see below), whose sum is σ = 1329097392. Its totient is φ = 443032448.

The previous prime is 830685851. The next prime is 830685857. The reversal of 830685855 is 558586038.

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 830685855 - 2² = 830685851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830685851) 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, 27689514 + ... + 27689543.

It is an arithmetic number, because the mean of its divisors is an integer number (166137174).

Almost surely, 2^830685855 is an apocalyptic number.

830685855 is a deficient number, since it is larger than the sum of its proper divisors (498411537).

830685855 is a wasteful number, since it uses less digits than its factorization.

830685855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55379065.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 830685855 is about 28821.6213110921. The cubic root of 830685855 is about 940.0384226787.

The spelling of 830685855 in words is "eight hundred thirty million, six hundred eighty-five thousand, eight hundred fifty-five".