87182984533 has 2 divisors, whose sum is σ = 87182984534. Its totient is φ = 87182984532.

The previous prime is 87182984531. The next prime is 87182984561. The reversal of 87182984533 is 33548928178.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43728246769 + 43454737764 = 209113^2 + 208458^2 .

It is a cyclic number.

It is not a de Polignac number, because 87182984533 - 2¹ = 87182984531 is a prime.

Together with 87182984531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87182984531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43591492266 + 43591492267.

It is an arithmetic number, because the mean of its divisors is an integer number (43591492267).

Almost surely, 2^87182984533 is an apocalyptic number.

It is an amenable number.

87182984533 is a deficient number, since it is larger than the sum of its proper divisors (1).

87182984533 is an equidigital number, since it uses as much as digits as its factorization.

87182984533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 58.

The spelling of 87182984533 in words is "eighty-seven billion, one hundred eighty-two million, nine hundred eighty-four thousand, five hundred thirty-three".