30872005005 has 16 divisors (see below), whose sum is σ = 49404772800. Its totient is φ = 16461881088.

The previous prime is 30872004997. The next prime is 30872005007. The reversal of 30872005005 is 50050027803.

It is a happy number.

It is not a de Polignac number, because 30872005005 - 2³ = 30872004997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30872005007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118155 + ... + 275144.

It is an arithmetic number, because the mean of its divisors is an integer number (3087798300).

Almost surely, 2^30872005005 is an apocalyptic number.

It is an amenable number.

30872005005 is a deficient number, since it is larger than the sum of its proper divisors (18532767795).

30872005005 is a wasteful number, since it uses less digits than its factorization.

30872005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398540.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 30872005005 in words is "thirty billion, eight hundred seventy-two million, five thousand, five".