28870752766403 has 2 divisors, whose sum is σ = 28870752766404. Its totient is φ = 28870752766402.

The previous prime is 28870752766357. The next prime is 28870752766421. The reversal of 28870752766403 is 30466725707882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28870752766403 - 2⁴² = 24472706255299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28870752766403.

It is not a weakly prime, because it can be changed into another prime (28870752766423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14435376383201 + 14435376383202.

It is an arithmetic number, because the mean of its divisors is an integer number (14435376383202).

Almost surely, 2^{28870752766403} is an apocalyptic number.

28870752766403 is a deficient number, since it is larger than the sum of its proper divisors (1).

28870752766403 is an equidigital number, since it uses as much as digits as its factorization.

28870752766403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189665280, while the sum is 65.

The spelling of 28870752766403 in words is "twenty-eight trillion, eight hundred seventy billion, seven hundred fifty-two million, seven hundred sixty-six thousand, four hundred three".