87253535543 has 2 divisors, whose sum is σ = 87253535544. Its totient is φ = 87253535542.

The previous prime is 87253535477. The next prime is 87253535561. The reversal of 87253535543 is 34553535278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87253535543 is a prime.

It is a super-2 number, since 2×87253535543² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87253535491 and 87253535500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87253535573) 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, 43626767771 + 43626767772.

It is an arithmetic number, because the mean of its divisors is an integer number (43626767772).

Almost surely, 2^87253535543 is an apocalyptic number.

87253535543 is a deficient number, since it is larger than the sum of its proper divisors (1).

87253535543 is an equidigital number, since it uses as much as digits as its factorization.

87253535543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560000, while the sum is 50.

The spelling of 87253535543 in words is "eighty-seven billion, two hundred fifty-three million, five hundred thirty-five thousand, five hundred forty-three".