287936722093 has 2 divisors, whose sum is σ = 287936722094. Its totient is φ = 287936722092.

The previous prime is 287936722069. The next prime is 287936722153. The reversal of 287936722093 is 390227639782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248559082249 + 39377639844 = 498557^2 + 198438^2 .

It is a cyclic number.

It is not a de Polignac number, because 287936722093 - 2¹³ = 287936713901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287936722013) 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 as a sum of consecutive naturals, namely, 143968361046 + 143968361047.

It is an arithmetic number, because the mean of its divisors is an integer number (143968361047).

Almost surely, 2^287936722093 is an apocalyptic number.

It is an amenable number.

287936722093 is a deficient number, since it is larger than the sum of its proper divisors (1).

287936722093 is an equidigital number, since it uses as much as digits as its factorization.

287936722093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 287936722093 in words is "two hundred eighty-seven billion, nine hundred thirty-six million, seven hundred twenty-two thousand, ninety-three".