87287214293 has 2 divisors, whose sum is σ = 87287214294. Its totient is φ = 87287214292.

The previous prime is 87287214239. The next prime is 87287214299. The reversal of 87287214293 is 39241278278.

Together with previous prime (87287214239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83872214449 + 3414999844 = 289607^2 + 58438^2 .

It is a cyclic number.

It is not a de Polignac number, because 87287214293 - 2⁶ = 87287214229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87287214299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43643607146 + 43643607147.

It is an arithmetic number, because the mean of its divisors is an integer number (43643607147).

Almost surely, 2^87287214293 is an apocalyptic number.

It is an amenable number.

87287214293 is a deficient number, since it is larger than the sum of its proper divisors (1).

87287214293 is an equidigital number, since it uses as much as digits as its factorization.

87287214293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 53.

The spelling of 87287214293 in words is "eighty-seven billion, two hundred eighty-seven million, two hundred fourteen thousand, two hundred ninety-three".