28325827825 has 12 divisors (see below), whose sum is σ = 35215746048. Its totient is φ = 22601488400.

The previous prime is 28325827787. The next prime is 28325827867. The reversal of 28325827825 is 52872852382.

It is not a de Polignac number, because 28325827825 - 2¹³ = 28325819633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469581 + ... + 1488730.

It is an arithmetic number, because the mean of its divisors is an integer number (2934645504).

Almost surely, 2^28325827825 is an apocalyptic number.

28325827825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28325827825 is a deficient number, since it is larger than the sum of its proper divisors (6889918223).

28325827825 is a wasteful number, since it uses less digits than its factorization.

28325827825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958704 (or 2958699 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 52.

The spelling of 28325827825 in words is "twenty-eight billion, three hundred twenty-five million, eight hundred twenty-seven thousand, eight hundred twenty-five".