28859206725 has 36 divisors (see below), whose sum is σ = 52789853376. Its totient is φ = 15064091040.

The previous prime is 28859206697. The next prime is 28859206781. The reversal of 28859206725 is 52760295882.

It is a happy number.

28859206725 is a `hidden beast` number, since 28 + 8 + 592 + 0 + 6 + 7 + 25 = 666.

It is not a de Polignac number, because 28859206725 - 2¹⁰ = 28859205701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1353927 + ... + 1375076.

It is an arithmetic number, because the mean of its divisors is an integer number (1466384816).

Almost surely, 2^28859206725 is an apocalyptic number.

28859206725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28859206725 is a deficient number, since it is larger than the sum of its proper divisors (23930646651).

28859206725 is a wasteful number, since it uses less digits than its factorization.

28859206725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729066 (or 2729058 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 28859206725 in words is "twenty-eight billion, eight hundred fifty-nine million, two hundred six thousand, seven hundred twenty-five".