806381611 has 4 divisors (see below), whose sum is σ = 921578992. Its totient is φ = 691184232.

The previous prime is 806381573. The next prime is 806381629. The reversal of 806381611 is 116183608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 806381611 - 2⁷ = 806381483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806382611) 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, 57598680 + ... + 57598693.

It is an arithmetic number, because the mean of its divisors is an integer number (230394748).

Almost surely, 2^806381611 is an apocalyptic number.

806381611 is a deficient number, since it is larger than the sum of its proper divisors (115197381).

806381611 is a wasteful number, since it uses less digits than its factorization.

806381611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115197380.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 806381611 is about 28396.8591749158. The cubic root of 806381611 is about 930.7796333624.

The spelling of 806381611 in words is "eight hundred six million, three hundred eighty-one thousand, six hundred eleven".