28792873073 has 2 divisors, whose sum is σ = 28792873074. Its totient is φ = 28792873072.

The previous prime is 28792873069. The next prime is 28792873079. The reversal of 28792873073 is 37037829782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22847229409 + 5945643664 = 151153^2 + 77108^2 .

It is a cyclic number.

It is not a de Polignac number, because 28792873073 - 2² = 28792873069 is a prime.

It is not a weakly prime, because it can be changed into another prime (28792873079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14396436536 + 14396436537.

It is an arithmetic number, because the mean of its divisors is an integer number (14396436537).

Almost surely, 2^28792873073 is an apocalyptic number.

It is an amenable number.

28792873073 is a deficient number, since it is larger than the sum of its proper divisors (1).

28792873073 is an equidigital number, since it uses as much as digits as its factorization.

28792873073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 28792873073 in words is "twenty-eight billion, seven hundred ninety-two million, eight hundred seventy-three thousand, seventy-three".