28847306534 has 4 divisors (see below), whose sum is σ = 43270959804. Its totient is φ = 14423653266.

The previous prime is 28847306519. The next prime is 28847306549. The reversal of 28847306534 is 43560374882.

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

It is an interprime number because it is at equal distance from previous prime (28847306519) and next prime (28847306549).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7211826632 + ... + 7211826635.

It is an arithmetic number, because the mean of its divisors is an integer number (10817739951).

Almost surely, 2^28847306534 is an apocalyptic number.

28847306534 is a deficient number, since it is larger than the sum of its proper divisors (14423653270).

28847306534 is a wasteful number, since it uses less digits than its factorization.

28847306534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423653269.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 28847306534 in words is "twenty-eight billion, eight hundred forty-seven million, three hundred six thousand, five hundred thirty-four".