30773979830 has 64 divisors (see below), whose sum is σ = 61008629760. Its totient is φ = 11083564800.

The previous prime is 30773979799. The next prime is 30773979833. The reversal of 30773979830 is 3897937703.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30773979833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7397291 + ... + 7401449.

It is an arithmetic number, because the mean of its divisors is an integer number (953259840).

Almost surely, 2^30773979830 is an apocalyptic number.

30773979830 is a deficient number, since it is larger than the sum of its proper divisors (30234649930).

30773979830 is a wasteful number, since it uses less digits than its factorization.

30773979830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805.

The product of its (nonzero) digits is 6001128, while the sum is 56.

The spelling of 30773979830 in words is "thirty billion, seven hundred seventy-three million, nine hundred seventy-nine thousand, eight hundred thirty".