28094915407 has 12 divisors (see below), whose sum is σ = 30717686064. Its totient is φ = 25681968000.

The previous prime is 28094915389. The next prime is 28094915441. The reversal of 28094915407 is 70451949082.

It is not a de Polignac number, because 28094915407 - 2⁷ = 28094915279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28094915447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789594 + ... + 824407.

It is an arithmetic number, because the mean of its divisors is an integer number (2559807172).

Almost surely, 2^28094915407 is an apocalyptic number.

28094915407 is a deficient number, since it is larger than the sum of its proper divisors (2622770657).

28094915407 is a wasteful number, since it uses less digits than its factorization.

28094915407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614130 (or 1614117 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 28094915407 in words is "twenty-eight billion, ninety-four million, nine hundred fifteen thousand, four hundred seven".