830155805 has 8 divisors (see below), whose sum is σ = 997152000. Its totient is φ = 663481296.

The previous prime is 830155787. The next prime is 830155811. The reversal of 830155805 is 508551038.

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 830155805 - 2¹⁰ = 830154781 is a prime.

It is a congruent 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, 74705 + ... + 85094.

It is an arithmetic number, because the mean of its divisors is an integer number (124644000).

Almost surely, 2^830155805 is an apocalyptic number.

It is an amenable number.

830155805 is a deficient number, since it is larger than the sum of its proper divisors (166996195).

830155805 is a wasteful number, since it uses less digits than its factorization.

830155805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160843.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 830155805 is about 28812.4244901397. The cubic root of 830155805 is about 939.8384379794.

The spelling of 830155805 in words is "eight hundred thirty million, one hundred fifty-five thousand, eight hundred five".