28698138679348 has 12 divisors (see below), whose sum is σ = 50222623538052. Its totient is φ = 14348817668480.

The previous prime is 28698138679319. The next prime is 28698138679361. The reversal of 28698138679348 is 84397683189682.

It can be written as a sum of positive squares in 2 ways, for example, as 14185482715044 + 14512655964304 = 3766362^2 + 3809548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62661115 + ... + 63117442.

It is an arithmetic number, because the mean of its divisors is an integer number (4185218628171).

Almost surely, 2^{28698138679348} is an apocalyptic number.

It is an amenable number.

28698138679348 is a deficient number, since it is larger than the sum of its proper divisors (21524484858704).

28698138679348 is a wasteful number, since it uses less digits than its factorization.

28698138679348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125835602 (or 125835600 counting only the distinct ones).

The product of its digits is 6019743744, while the sum is 82.

The spelling of 28698138679348 in words is "twenty-eight trillion, six hundred ninety-eight billion, one hundred thirty-eight million, six hundred seventy-nine thousand, three hundred forty-eight".