28473087763 has 4 divisors (see below), whose sum is σ = 29010315888. Its totient is φ = 27935859640.

The previous prime is 28473087749. The next prime is 28473087767. The reversal of 28473087763 is 36778037482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28473087763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28473087767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268613983 + ... + 268614088.

It is an arithmetic number, because the mean of its divisors is an integer number (7252578972).

Almost surely, 2^28473087763 is an apocalyptic number.

28473087763 is a deficient number, since it is larger than the sum of its proper divisors (537228125).

28473087763 is an equidigital number, since it uses as much as digits as its factorization.

28473087763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537228124.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 28473087763 in words is "twenty-eight billion, four hundred seventy-three million, eighty-seven thousand, seven hundred sixty-three".