28873487367 has 10 divisors (see below), whose sum is σ = 43131999768. Its totient is φ = 19248991524.

The previous prime is 28873487353. The next prime is 28873487371. The reversal of 28873487367 is 76378437882.

28873487367 is a `hidden beast` number, since 2 + 88 + 73 + 487 + 3 + 6 + 7 = 666.

It is not a de Polignac number, because 28873487367 - 2¹⁶ = 28873421831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28873487767) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 178231323 + ... + 178231484.

Almost surely, 2^28873487367 is an apocalyptic number.

28873487367 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28873487367 is a deficient number, since it is larger than the sum of its proper divisors (14258512401).

28873487367 is an equidigital number, since it uses as much as digits as its factorization.

28873487367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356462819 (or 356462810 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 28873487367 in words is "twenty-eight billion, eight hundred seventy-three million, four hundred eighty-seven thousand, three hundred sixty-seven".