30947080979 has 8 divisors (see below), whose sum is σ = 31316921280. Its totient is φ = 30577732416.

The previous prime is 30947080943. The next prime is 30947080999. The reversal of 30947080979 is 97908074903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30947080979 is a prime.

It is a super-2 number, since 2×30947080979² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30947080999) 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, 4469 + ... + 248825.

It is an arithmetic number, because the mean of its divisors is an integer number (3914615160).

Almost surely, 2^30947080979 is an apocalyptic number.

30947080979 is a deficient number, since it is larger than the sum of its proper divisors (369840301).

30947080979 is a wasteful number, since it uses less digits than its factorization.

30947080979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245869.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 30947080979 in words is "thirty billion, nine hundred forty-seven million, eighty thousand, nine hundred seventy-nine".