28393927036 has 12 divisors (see below), whose sum is σ = 49690674880. Its totient is φ = 14196591360.

The previous prime is 28393927019. The next prime is 28393927039. The reversal of 28393927036 is 63072939382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28393927039) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 148021 + ... + 280531.

Almost surely, 2^28393927036 is an apocalyptic number.

It is an amenable number.

28393927036 is a deficient number, since it is larger than the sum of its proper divisors (21296747844).

28393927036 is a wasteful number, since it uses less digits than its factorization.

28393927036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186084 (or 186082 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 28393927036 in words is "twenty-eight billion, three hundred ninety-three million, nine hundred twenty-seven thousand, thirty-six".