30808065806 has 16 divisors (see below), whose sum is σ = 55110081024. Its totient is φ = 12629393304.

The previous prime is 30808065803. The next prime is 30808065817. The reversal of 30808065806 is 60856080803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30808065803) 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, 47838290 + ... + 47838933.

It is an arithmetic number, because the mean of its divisors is an integer number (3444380064).

Almost surely, 2^30808065806 is an apocalyptic number.

30808065806 is a deficient number, since it is larger than the sum of its proper divisors (24302015218).

30808065806 is a wasteful number, since it uses less digits than its factorization.

30808065806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95677255.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 30808065806 in words is "thirty billion, eight hundred eight million, sixty-five thousand, eight hundred six".