28947055374734 has 16 divisors (see below), whose sum is σ = 49627294886400. Its totient is φ = 12404938028184.

The previous prime is 28947055374733. The next prime is 28947055374773. The reversal of 28947055374734 is 43747355074982.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28947055374733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78379754 + ... + 78748205.

It is an arithmetic number, because the mean of its divisors is an integer number (3101705930400).

Almost surely, 2^{28947055374734} is an apocalyptic number.

28947055374734 is a deficient number, since it is larger than the sum of its proper divisors (20680239511666).

28947055374734 is a wasteful number, since it uses less digits than its factorization.

28947055374734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157141127.

The product of its (nonzero) digits is 711244800, while the sum is 68.

The spelling of 28947055374734 in words is "twenty-eight trillion, nine hundred forty-seven billion, fifty-five million, three hundred seventy-four thousand, seven hundred thirty-four".