87163254751 has 2 divisors, whose sum is σ = 87163254752. Its totient is φ = 87163254750.

The previous prime is 87163254749. The next prime is 87163254779. The reversal of 87163254751 is 15745236178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87163254751 - 2¹ = 87163254749 is a prime.

Together with 87163254749, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 87163254695 and 87163254704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87163254701) 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, 43581627375 + 43581627376.

It is an arithmetic number, because the mean of its divisors is an integer number (43581627376).

Almost surely, 2^87163254751 is an apocalyptic number.

87163254751 is a deficient number, since it is larger than the sum of its proper divisors (1).

87163254751 is an equidigital number, since it uses as much as digits as its factorization.

87163254751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The spelling of 87163254751 in words is "eighty-seven billion, one hundred sixty-three million, two hundred fifty-four thousand, seven hundred fifty-one".