89368255660487 has 2 divisors, whose sum is σ = 89368255660488. Its totient is φ = 89368255660486.

The previous prime is 89368255660429. The next prime is 89368255660493. The reversal of 89368255660487 is 78406655286398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89368255660487 - 2³⁶ = 89299536183751 is a prime.

It is a super-2 number, since 2×89368255660487² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89368255660427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44684127830243 + 44684127830244.

It is an arithmetic number, because the mean of its divisors is an integer number (44684127830244).

Almost surely, 2^{89368255660487} is an apocalyptic number.

89368255660487 is a deficient number, since it is larger than the sum of its proper divisors (1).

89368255660487 is an equidigital number, since it uses as much as digits as its factorization.

89368255660487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4180377600, while the sum is 77.

The spelling of 89368255660487 in words is "eighty-nine trillion, three hundred sixty-eight billion, two hundred fifty-five million, six hundred sixty thousand, four hundred eighty-seven".