30698078067 has 12 divisors (see below), whose sum is σ = 44780696064. Its totient is φ = 20262757200.

The previous prime is 30698078063. The next prime is 30698078077. The reversal of 30698078067 is 76087089603.

It is not a de Polignac number, because 30698078067 - 2² = 30698078063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30698078063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16884723 + ... + 16886540.

It is an arithmetic number, because the mean of its divisors is an integer number (3731724672).

Almost surely, 2^30698078067 is an apocalyptic number.

30698078067 is a deficient number, since it is larger than the sum of its proper divisors (14082617997).

30698078067 is a wasteful number, since it uses less digits than its factorization.

30698078067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33771370 (or 33771367 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 30698078067 in words is "thirty billion, six hundred ninety-eight million, seventy-eight thousand, sixty-seven".