28771737626746 has 4 divisors (see below), whose sum is σ = 43157606440122. Its totient is φ = 14385868813372.

The previous prime is 28771737626743. The next prime is 28771737626773. The reversal of 28771737626746 is 64762673717782.

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

It can be written as a sum of positive squares in only one way, i.e., 28203651325521 + 568086301225 = 5310711^2 + 753715^2 .

It is not an unprimeable number, because it can be changed into a prime (28771737626741) by changing a digit.

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, 7192934406685 + ... + 7192934406688.

Almost surely, 2^{28771737626746} is an apocalyptic number.

28771737626746 is a deficient number, since it is larger than the sum of its proper divisors (14385868813376).

28771737626746 is a wasteful number, since it uses less digits than its factorization.

28771737626746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14385868813375.

The product of its digits is 1394039808, while the sum is 73.

The spelling of 28771737626746 in words is "twenty-eight trillion, seven hundred seventy-one billion, seven hundred thirty-seven million, six hundred twenty-six thousand, seven hundred forty-six".