28500912347 has 2 divisors, whose sum is σ = 28500912348. Its totient is φ = 28500912346.

The previous prime is 28500912269. The next prime is 28500912367. The reversal of 28500912347 is 74321900582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28500912347 - 2²⁰ = 28499863771 is a prime.

It is a super-2 number, since 2×28500912347² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28500912367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14250456173 + 14250456174.

It is an arithmetic number, because the mean of its divisors is an integer number (14250456174).

Almost surely, 2^28500912347 is an apocalyptic number.

28500912347 is a deficient number, since it is larger than the sum of its proper divisors (1).

28500912347 is an equidigital number, since it uses as much as digits as its factorization.

28500912347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 28500912347 in words is "twenty-eight billion, five hundred million, nine hundred twelve thousand, three hundred forty-seven".