28369233578 has 8 divisors (see below), whose sum is σ = 48632971872. Its totient is φ = 12158242956.

The previous prime is 28369233547. The next prime is 28369233587. The reversal of 28369233578 is 87533296382.

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

It is an unprimeable number.

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, 1013186900 + ... + 1013186927.

It is an arithmetic number, because the mean of its divisors is an integer number (6079121484).

Almost surely, 2^28369233578 is an apocalyptic number.

28369233578 is a deficient number, since it is larger than the sum of its proper divisors (20263738294).

28369233578 is a wasteful number, since it uses less digits than its factorization.

28369233578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026373836.

The product of its digits is 13063680, while the sum is 56.

The spelling of 28369233578 in words is "twenty-eight billion, three hundred sixty-nine million, two hundred thirty-three thousand, five hundred seventy-eight".