28135703325 has 48 divisors (see below), whose sum is σ = 47030472000. Its totient is φ = 14840878080.

The previous prime is 28135703287. The next prime is 28135703339. The reversal of 28135703325 is 52330753182.

It is not a de Polignac number, because 28135703325 - 2¹⁴ = 28135686941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4225699 + ... + 4232351.

It is an arithmetic number, because the mean of its divisors is an integer number (979801500).

Almost surely, 2^28135703325 is an apocalyptic number.

28135703325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28135703325 is a deficient number, since it is larger than the sum of its proper divisors (18894768675).

28135703325 is a wasteful number, since it uses less digits than its factorization.

28135703325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278 (or 7273 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 28135703325 in words is "twenty-eight billion, one hundred thirty-five million, seven hundred three thousand, three hundred twenty-five".