28494259175 has 12 divisors (see below), whose sum is σ = 35780135520. Its totient is φ = 22506856320.

The previous prime is 28494259139. The next prime is 28494259177. The reversal of 28494259175 is 57195249482.

It is not a de Polignac number, because 28494259175 - 2¹⁶ = 28494193639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28494259175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28494259177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7211762 + ... + 7215711.

It is an arithmetic number, because the mean of its divisors is an integer number (2981677960).

Almost surely, 2^28494259175 is an apocalyptic number.

28494259175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28494259175 is a deficient number, since it is larger than the sum of its proper divisors (7285876345).

28494259175 is a wasteful number, since it uses less digits than its factorization.

28494259175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14427562 (or 14427557 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 56.

The spelling of 28494259175 in words is "twenty-eight billion, four hundred ninety-four million, two hundred fifty-nine thousand, one hundred seventy-five".