28214329396 has 36 divisors (see below), whose sum is σ = 54809217540. Its totient is φ = 12697696000.

The previous prime is 28214329369. The next prime is 28214329447. The reversal of 28214329396 is 69392341282.

It can be written as a sum of positive squares in 2 ways, for example, as 22743656100 + 5470673296 = 150810^2 + 73964^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239701 + ... + 337468.

It is an arithmetic number, because the mean of its divisors is an integer number (1522478265).

Almost surely, 2^28214329396 is an apocalyptic number.

It is an amenable number.

28214329396 is a deficient number, since it is larger than the sum of its proper divisors (26594888144).

28214329396 is a wasteful number, since it uses less digits than its factorization.

28214329396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577296 (or 577283 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The spelling of 28214329396 in words is "twenty-eight billion, two hundred fourteen million, three hundred twenty-nine thousand, three hundred ninety-six".