287676825497 has 2 divisors, whose sum is σ = 287676825498. Its totient is φ = 287676825496.

The previous prime is 287676825473. The next prime is 287676825509. The reversal of 287676825497 is 794528676782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241902650896 + 45774174601 = 491836^2 + 213949^2 .

It is a cyclic number.

It is not a de Polignac number, because 287676825497 - 2²⁴ = 287660048281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 287676825497.

It is not a weakly prime, because it can be changed into another prime (287676825427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143838412748 + 143838412749.

It is an arithmetic number, because the mean of its divisors is an integer number (143838412749).

Almost surely, 2^287676825497 is an apocalyptic number.

It is an amenable number.

287676825497 is a deficient number, since it is larger than the sum of its proper divisors (1).

287676825497 is an equidigital number, since it uses as much as digits as its factorization.

287676825497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 568995840, while the sum is 71.

The spelling of 287676825497 in words is "two hundred eighty-seven billion, six hundred seventy-six million, eight hundred twenty-five thousand, four hundred ninety-seven".