28079441253 has 12 divisors (see below), whose sum is σ = 40565785260. Its totient is φ = 18716584896.

The previous prime is 28079441239. The next prime is 28079441267. The reversal of 28079441253 is 35214497082.

It is an interprime number because it is at equal distance from previous prime (28079441239) and next prime (28079441267).

It can be written as a sum of positive squares in 2 ways, for example, as 23089714209 + 4989727044 = 151953^2 + 70638^2 .

It is not a de Polignac number, because 28079441253 - 2⁶ = 28079441189 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28079441199 and 28079441208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28079445253) 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, 194376 + ... + 306497.

It is an arithmetic number, because the mean of its divisors is an integer number (3380482105).

Almost surely, 2^28079441253 is an apocalyptic number.

It is an amenable number.

28079441253 is a deficient number, since it is larger than the sum of its proper divisors (12486344007).

28079441253 is a wasteful number, since it uses less digits than its factorization.

28079441253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507108 (or 507105 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 28079441253 in words is "twenty-eight billion, seventy-nine million, four hundred forty-one thousand, two hundred fifty-three".