89539208478019 has 2 divisors, whose sum is σ = 89539208478020. Its totient is φ = 89539208478018.

The previous prime is 89539208477959. The next prime is 89539208478091. The reversal of 89539208478019 is 91087480293598.

Together with next prime (89539208478091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89539208478019 - 2¹⁷ = 89539208346947 is a prime.

It is a super-2 number, since 2×89539208478019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89539218478019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44769604239009 + 44769604239010.

It is an arithmetic number, because the mean of its divisors is an integer number (44769604239010).

Almost surely, 2^{89539208478019} is an apocalyptic number.

89539208478019 is a deficient number, since it is larger than the sum of its proper divisors (1).

89539208478019 is an equidigital number, since it uses as much as digits as its factorization.

89539208478019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313528320, while the sum is 73.

The spelling of 89539208478019 in words is "eighty-nine trillion, five hundred thirty-nine billion, two hundred eight million, four hundred seventy-eight thousand, nineteen".