28718151248 has 10 divisors (see below), whose sum is σ = 55641418074. Its totient is φ = 14359075616.

The previous prime is 28718151227. The next prime is 28718151313. The reversal of 28718151248 is 84215181782.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14754475024 + 13963676224 = 121468^2 + 118168^2 .

It is a super-2 number, since 2×28718151248² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 897442211 + ... + 897442242.

Almost surely, 2^28718151248 is an apocalyptic number.

It is an amenable number.

28718151248 is a deficient number, since it is larger than the sum of its proper divisors (26923266826).

28718151248 is a wasteful number, since it uses less digits than its factorization.

28718151248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794884461 (or 1794884455 counting only the distinct ones).

The product of its digits is 286720, while the sum is 47.

The spelling of 28718151248 in words is "twenty-eight billion, seven hundred eighteen million, one hundred fifty-one thousand, two hundred forty-eight".