25528028027 has 8 divisors (see below), whose sum is σ = 25849020672. Its totient is φ = 25208987200.

The previous prime is 25528028023. The next prime is 25528028063. The reversal of 25528028027 is 72082082552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25528028027 - 2² = 25528028023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25528028021) 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, 461624 + ... + 513957.

It is an arithmetic number, because the mean of its divisors is an integer number (3231127584).

Almost surely, 2^25528028027 is an apocalyptic number.

25528028027 is a deficient number, since it is larger than the sum of its proper divisors (320992645).

25528028027 is a wasteful number, since it uses less digits than its factorization.

25528028027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975909.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 25528028027 in words is "twenty-five billion, five hundred twenty-eight million, twenty-eight thousand, twenty-seven".