28700654746 has 4 divisors (see below), whose sum is σ = 43050982122. Its totient is φ = 14350327372.

The previous prime is 28700654737. The next prime is 28700654849. The reversal of 28700654746 is 64745600782.

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., 27892674121 + 807980625 = 167011^2 + 28425^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28700654746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7175163685 + ... + 7175163688.

Almost surely, 2^28700654746 is an apocalyptic number.

28700654746 is a deficient number, since it is larger than the sum of its proper divisors (14350327376).

28700654746 is a wasteful number, since it uses less digits than its factorization.

28700654746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350327375.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 28700654746 in words is "twenty-eight billion, seven hundred million, six hundred fifty-four thousand, seven hundred forty-six".