30289290678 has 12 divisors (see below), whose sum is σ = 65626796508. Its totient is φ = 10096430220.

The previous prime is 30289290659. The next prime is 30289290841. The reversal of 30289290678 is 87609298203.

It is a happy number.

30289290678 is a `hidden beast` number, since 3 + 0 + 289 + 290 + 6 + 78 = 666.

It is a super-2 number, since 2×30289290678² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 841369168 + ... + 841369203.

It is an arithmetic number, because the mean of its divisors is an integer number (5468899709).

Almost surely, 2^30289290678 is an apocalyptic number.

30289290678 is an abundant number, since it is smaller than the sum of its proper divisors (35337505830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30289290678 is a wasteful number, since it uses less digits than its factorization.

30289290678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682738379 (or 1682738376 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 30289290678 in words is "thirty billion, two hundred eighty-nine million, two hundred ninety thousand, six hundred seventy-eight".