287220874060499 has 2 divisors, whose sum is σ = 287220874060500. Its totient is φ = 287220874060498.

The previous prime is 287220874060453. The next prime is 287220874060567. The reversal of 287220874060499 is 994060478022782.

It is an a-pointer prime, because the next prime (287220874060567) can be obtained adding 287220874060499 to its sum of digits (68).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287220874060499 is a prime.

It is not a weakly prime, because it can be changed into another prime (287220874360499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143610437030249 + 143610437030250.

It is an arithmetic number, because the mean of its divisors is an integer number (143610437030250).

Almost surely, 2^{287220874060499} is an apocalyptic number.

287220874060499 is a deficient number, since it is larger than the sum of its proper divisors (1).

287220874060499 is an equidigital number, since it uses as much as digits as its factorization.

287220874060499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 287220874060499 in words is "two hundred eighty-seven trillion, two hundred twenty billion, eight hundred seventy-four million, sixty thousand, four hundred ninety-nine".