830985611 has 4 divisors (see below), whose sum is σ = 831113424. Its totient is φ = 830857800.

The previous prime is 830985601. The next prime is 830985641. The reversal of 830985611 is 116589038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116589038 = 2 ⋅58294519.

It is a cyclic number.

It is not a de Polignac number, because 830985611 - 2¹⁰ = 830984587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830985601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53600 + ... + 67341.

It is an arithmetic number, because the mean of its divisors is an integer number (207778356).

Almost surely, 2^830985611 is an apocalyptic number.

830985611 is a deficient number, since it is larger than the sum of its proper divisors (127813).

830985611 is a wasteful number, since it uses less digits than its factorization.

830985611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127812.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 830985611 is about 28826.8210352789. The cubic root of 830985611 is about 940.1514811707.

The spelling of 830985611 in words is "eight hundred thirty million, nine hundred eighty-five thousand, six hundred eleven".