28789180458025 has 243 divisors, whose sum is σ = 41963867415981. Its totient is φ = 19581786132480.

The previous prime is 28789180458007. The next prime is 28789180458053. The reversal of 28789180458025 is 52085408198782.

The square root of 28789180458025 is 5365555.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 40 ways, for example, as 28316755179801 + 472425278224 = 5321349^2 + 687332^2 .

It is not a de Polignac number, because 28789180458025 - 2¹¹ = 28789180455977 is a prime.

It is a super-2 number, since 2×28789180458025² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 296795674777 + ... + 296795674873.

Almost surely, 2^{28789180458025} is an apocalyptic number.

28789180458025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28789180458025 is the 5365555-th square number.

28789180458025 is the 2682778-th centered octagonal number.

It is an amenable number.

28789180458025 is a deficient number, since it is larger than the sum of its proper divisors (13174686957956).

28789180458025 is an equidigital number, since it uses as much as digits as its factorization.

28789180458025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 67.

The spelling of 28789180458025 in words is "twenty-eight trillion, seven hundred eighty-nine billion, one hundred eighty million, four hundred fifty-eight thousand, twenty-five".