28343515347 has 12 divisors (see below), whose sum is σ = 46789295280. Its totient is φ = 16196294448.

The previous prime is 28343515331. The next prime is 28343515349. The reversal of 28343515347 is 74351534382.

28343515347 is a `hidden beast` number, since 2 + 83 + 4 + 35 + 1 + 534 + 7 = 666.

It is not a de Polignac number, because 28343515347 - 2⁴ = 28343515331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28343515349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224948472 + ... + 224948597.

It is an arithmetic number, because the mean of its divisors is an integer number (3899107940).

Almost surely, 2^28343515347 is an apocalyptic number.

28343515347 is a deficient number, since it is larger than the sum of its proper divisors (18445779933).

28343515347 is a wasteful number, since it uses less digits than its factorization.

28343515347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449897082 (or 449897079 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 28343515347 in words is "twenty-eight billion, three hundred forty-three million, five hundred fifteen thousand, three hundred forty-seven".