29769875328 has 32 divisors (see below), whose sum is σ = 79076232360. Its totient is φ = 9923291648.

The previous prime is 29769875327. The next prime is 29769875339. The reversal of 29769875328 is 82357896792.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29769875327) 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 3 ways as a sum of consecutive naturals, for example, 38762475 + ... + 38763242.

Almost surely, 2^29769875328 is an apocalyptic number.

It is an amenable number.

29769875328 is an abundant number, since it is smaller than the sum of its proper divisors (49306357032).

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

29769875328 is an equidigital number, since it uses as much as digits as its factorization.

29769875328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77525734 (or 77525722 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 66.

The spelling of 29769875328 in words is "twenty-nine billion, seven hundred sixty-nine million, eight hundred seventy-five thousand, three hundred twenty-eight".