28057177852175 has 24 divisors (see below), whose sum is σ = 35381098857600. Its totient is φ = 22064980400480.

The previous prime is 28057177852163. The next prime is 28057177852241. The reversal of 28057177852175 is 57125877175082.

It is a happy number.

It is not a de Polignac number, because 28057177852175 - 2⁸ = 28057177851919 is a prime.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168684902 + ... + 168851148.

It is an arithmetic number, because the mean of its divisors is an integer number (1474212452400).

Almost surely, 2^{28057177852175} is an apocalyptic number.

28057177852175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28057177852175 is a deficient number, since it is larger than the sum of its proper divisors (7323921005425).

28057177852175 is a wasteful number, since it uses less digits than its factorization.

28057177852175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280735 (or 280730 counting only the distinct ones).

The product of its (nonzero) digits is 76832000, while the sum is 65.

The spelling of 28057177852175 in words is "twenty-eight trillion, fifty-seven billion, one hundred seventy-seven million, eight hundred fifty-two thousand, one hundred seventy-five".