28123448485370 has 32 divisors (see below), whose sum is σ = 60898895971200. Its totient is φ = 9134834394816.

The previous prime is 28123448485369. The next prime is 28123448485393. The reversal of 28123448485370 is 7358484432182.

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 15 ways as a sum of consecutive naturals, for example, 10572723665 + ... + 10572726324.

It is an arithmetic number, because the mean of its divisors is an integer number (1903090499100).

Almost surely, 2^{28123448485370} is an apocalyptic number.

28123448485370 is an abundant number, since it is smaller than the sum of its proper divisors (32775447485830).

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

28123448485370 is a wasteful number, since it uses less digits than its factorization.

28123448485370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21145450022.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 28123448485370 in words is "twenty-eight trillion, one hundred twenty-three billion, four hundred forty-eight million, four hundred eighty-five thousand, three hundred seventy".