28802274742 has 4 divisors (see below), whose sum is σ = 43203412116. Its totient is φ = 14401137370.

The previous prime is 28802274719. The next prime is 28802274811. The reversal of 28802274742 is 24747220882.

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

It is a junction number, because it is equal to n+sod(n) for n = 28802274692 and 28802274701.

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, 7200568684 + ... + 7200568687.

It is an arithmetic number, because the mean of its divisors is an integer number (10800853029).

Almost surely, 2^28802274742 is an apocalyptic number.

28802274742 is a deficient number, since it is larger than the sum of its proper divisors (14401137374).

28802274742 is a wasteful number, since it uses less digits than its factorization.

28802274742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401137373.

The product of its (nonzero) digits is 802816, while the sum is 46.

The spelling of 28802274742 in words is "twenty-eight billion, eight hundred two million, two hundred seventy-four thousand, seven hundred forty-two".