8783515228793 has 2 divisors, whose sum is σ = 8783515228794. Its totient is φ = 8783515228792.

The previous prime is 8783515228777. The next prime is 8783515228811. The reversal of 8783515228793 is 3978225153878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8450433883369 + 333081345424 = 2906963^2 + 577132^2 .

It is a cyclic number.

It is not a de Polignac number, because 8783515228793 - 2⁴ = 8783515228777 is a prime.

It is not a weakly prime, because it can be changed into another prime (8783515228193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4391757614396 + 4391757614397.

It is an arithmetic number, because the mean of its divisors is an integer number (4391757614397).

Almost surely, 2^{8783515228793} is an apocalyptic number.

It is an amenable number.

8783515228793 is a deficient number, since it is larger than the sum of its proper divisors (1).

8783515228793 is an equidigital number, since it uses as much as digits as its factorization.

8783515228793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 203212800, while the sum is 68.

The spelling of 8783515228793 in words is "eight trillion, seven hundred eighty-three billion, five hundred fifteen million, two hundred twenty-eight thousand, seven hundred ninety-three".