29880285806 has 16 divisors (see below), whose sum is σ = 51368464224. Its totient is φ = 12769557504.

The previous prime is 29880285793. The next prime is 29880285833. The reversal of 29880285806 is 60858208892.

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 7 ways as a sum of consecutive naturals, for example, 3018155 + ... + 3028038.

It is an arithmetic number, because the mean of its divisors is an integer number (3210529014).

Almost surely, 2^29880285806 is an apocalyptic number.

29880285806 is a deficient number, since it is larger than the sum of its proper divisors (21488178418).

29880285806 is a wasteful number, since it uses less digits than its factorization.

29880285806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046555.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 29880285806 in words is "twenty-nine billion, eight hundred eighty million, two hundred eighty-five thousand, eight hundred six".