30807904847 has 8 divisors (see below), whose sum is σ = 30889290432. Its totient is φ = 30726583200.

The previous prime is 30807904769. The next prime is 30807904859. The reversal of 30807904847 is 74840970803.

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 30807904847 - 2⁸ = 30807904591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30807904795 and 30807904804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30807904867) 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, 1039697 + ... + 1068917.

It is an arithmetic number, because the mean of its divisors is an integer number (3861161304).

Almost surely, 2^30807904847 is an apocalyptic number.

30807904847 is a deficient number, since it is larger than the sum of its proper divisors (81385585).

30807904847 is a wasteful number, since it uses less digits than its factorization.

30807904847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31969.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 30807904847 in words is "thirty billion, eight hundred seven million, nine hundred four thousand, eight hundred forty-seven".