30918472079 has 8 divisors (see below), whose sum is σ = 33731311872. Its totient is φ = 28105977240.

The previous prime is 30918472037. The next prime is 30918472127. The reversal of 30918472079 is 97027481903.

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

It is not a de Polignac number, because 30918472079 - 2⁸ = 30918471823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30918472279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123332 + ... + 277574.

It is an arithmetic number, because the mean of its divisors is an integer number (4216413984).

Almost surely, 2^30918472079 is an apocalyptic number.

30918472079 is a deficient number, since it is larger than the sum of its proper divisors (2812839793).

30918472079 is a wasteful number, since it uses less digits than its factorization.

30918472079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172477.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 30918472079 in words is "thirty billion, nine hundred eighteen million, four hundred seventy-two thousand, seventy-nine".