25006728286 has 16 divisors (see below), whose sum is σ = 40229298000. Its totient is φ = 11621795328.

The previous prime is 25006728283. The next prime is 25006728319. The reversal of 25006728286 is 68282760052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25006728283) 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, 6206211 + ... + 6210238.

It is an arithmetic number, because the mean of its divisors is an integer number (2514331125).

Almost surely, 2^25006728286 is an apocalyptic number.

25006728286 is a deficient number, since it is larger than the sum of its proper divisors (15222569714).

25006728286 is a wasteful number, since it uses less digits than its factorization.

25006728286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12416523.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 25006728286 in words is "twenty-five billion, six million, seven hundred twenty-eight thousand, two hundred eighty-six".