28477425267 has 6 divisors (see below), whose sum is σ = 41134058732. Its totient is φ = 18984950172.

The previous prime is 28477425259. The next prime is 28477425281. The reversal of 28477425267 is 76252477482.

28477425267 is a `hidden beast` number, since 2 + 8 + 4 + 77 + 42 + 526 + 7 = 666.

It is not a de Polignac number, because 28477425267 - 2³ = 28477425259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28477424267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1582079173 + ... + 1582079190.

Almost surely, 2^28477425267 is an apocalyptic number.

28477425267 is a deficient number, since it is larger than the sum of its proper divisors (12656633465).

28477425267 is a wasteful number, since it uses less digits than its factorization.

28477425267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164158369 (or 3164158366 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 54.

The spelling of 28477425267 in words is "twenty-eight billion, four hundred seventy-seven million, four hundred twenty-five thousand, two hundred sixty-seven".