89115655943 has 2 divisors, whose sum is σ = 89115655944. Its totient is φ = 89115655942.

The previous prime is 89115655907. The next prime is 89115655961. The reversal of 89115655943 is 34955651198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89115655943 - 2¹⁴ = 89115639559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89115655543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44557827971 + 44557827972.

It is an arithmetic number, because the mean of its divisors is an integer number (44557827972).

Almost surely, 2^89115655943 is an apocalyptic number.

89115655943 is a deficient number, since it is larger than the sum of its proper divisors (1).

89115655943 is an equidigital number, since it uses as much as digits as its factorization.

89115655943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 56.

The spelling of 89115655943 in words is "eighty-nine billion, one hundred fifteen million, six hundred fifty-five thousand, nine hundred forty-three".