28929704378 has 8 divisors (see below), whose sum is σ = 43725813120. Its totient is φ = 14354433340.

The previous prime is 28929704371. The next prime is 28929704393. The reversal of 28929704378 is 87340792982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28929704371) 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 3 ways as a sum of consecutive naturals, for example, 55209098 + ... + 55209621.

It is an arithmetic number, because the mean of its divisors is an integer number (5465726640).

Almost surely, 2^28929704378 is an apocalyptic number.

28929704378 is a deficient number, since it is larger than the sum of its proper divisors (14796108742).

28929704378 is a wasteful number, since it uses less digits than its factorization.

28929704378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110418852.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 28929704378 in words is "twenty-eight billion, nine hundred twenty-nine million, seven hundred four thousand, three hundred seventy-eight".