28241523478 has 12 divisors (see below), whose sum is σ = 49278576852. Its totient is φ = 12103510020.

The previous prime is 28241523463. The next prime is 28241523517. The reversal of 28241523478 is 87432514282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144089308 + ... + 144089503.

It is an arithmetic number, because the mean of its divisors is an integer number (4106548071).

Almost surely, 2^28241523478 is an apocalyptic number.

28241523478 is a deficient number, since it is larger than the sum of its proper divisors (21037053374).

28241523478 is a wasteful number, since it uses less digits than its factorization.

28241523478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288178827 (or 288178820 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The spelling of 28241523478 in words is "twenty-eight billion, two hundred forty-one million, five hundred twenty-three thousand, four hundred seventy-eight".