89481515924057 has 2 divisors, whose sum is σ = 89481515924058. Its totient is φ = 89481515924056.

The previous prime is 89481515924033. The next prime is 89481515924071. The reversal of 89481515924057 is 75042951518498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75959870526016 + 13521645398041 = 8715496^2 + 3677179^2 .

It is a cyclic number.

It is not a de Polignac number, because 89481515924057 - 2¹⁴ = 89481515907673 is a prime.

It is a super-4 number, since 4×89481515924057⁴ (a number of 57 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (89481515974057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44740757962028 + 44740757962029.

It is an arithmetic number, because the mean of its divisors is an integer number (44740757962029).

Almost surely, 2^{89481515924057} is an apocalyptic number.

It is an amenable number.

89481515924057 is a deficient number, since it is larger than the sum of its proper divisors (1).

89481515924057 is an equidigital number, since it uses as much as digits as its factorization.

89481515924057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152000, while the sum is 68.

The spelling of 89481515924057 in words is "eighty-nine trillion, four hundred eighty-one billion, five hundred fifteen million, nine hundred twenty-four thousand, fifty-seven".