28259361207 has 96 divisors (see below), whose sum is σ = 53201141760. Its totient is φ = 14025960000.

The previous prime is 28259361191. The next prime is 28259361209. The reversal of 28259361207 is 70216395282.

28259361207 is a `hidden beast` number, since 2 + 8 + 25 + 9 + 3 + 612 + 0 + 7 = 666.

It is not a de Polignac number, because 28259361207 - 2⁴ = 28259361191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28259361209) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1688832 + ... + 1705482.

It is an arithmetic number, because the mean of its divisors is an integer number (554178560).

Almost surely, 2^28259361207 is an apocalyptic number.

28259361207 is a deficient number, since it is larger than the sum of its proper divisors (24941780553).

28259361207 is a wasteful number, since it uses less digits than its factorization.

28259361207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16785 (or 16782 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 28259361207 in words is "twenty-eight billion, two hundred fifty-nine million, three hundred sixty-one thousand, two hundred seven".