28467567 has 24 divisors (see below), whose sum is σ = 43512560. Its totient is φ = 17884800.

The previous prime is 28467553. The next prime is 28467601. The reversal of 28467567 is 76576482.

28467567 is a `hidden beast` number, since 2 + 84 + 6 + 7 + 567 = 666.

It is not a de Polignac number, because 28467567 - 2⁸ = 28467311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28467167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47067 + ... + 47667.

Almost surely, 2^28467567 is an apocalyptic number.

28467567 is a deficient number, since it is larger than the sum of its proper divisors (15044993).

28467567 is a wasteful number, since it uses less digits than its factorization.

28467567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 900 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 28467567 is about 5335.5006325555. The cubic root of 28467567 is about 305.3398236905.

The spelling of 28467567 in words is "twenty-eight million, four hundred sixty-seven thousand, five hundred sixty-seven".