28438525095 has 16 divisors (see below), whose sum is σ = 45588653952. Its totient is φ = 15138208800.

The previous prime is 28438525091. The next prime is 28438525109. The reversal of 28438525095 is 59052583482.

It is not a de Polignac number, because 28438525095 - 2² = 28438525091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28438525091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804681 + ... + 1820370.

It is an arithmetic number, because the mean of its divisors is an integer number (2849290872).

Almost surely, 2^28438525095 is an apocalyptic number.

28438525095 is a deficient number, since it is larger than the sum of its proper divisors (17150128857).

28438525095 is a wasteful number, since it uses less digits than its factorization.

28438525095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625582.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 28438525095 in words is "twenty-eight billion, four hundred thirty-eight million, five hundred twenty-five thousand, ninety-five".