88693443481 has 2 divisors, whose sum is σ = 88693443482. Its totient is φ = 88693443480.

The previous prime is 88693443473. The next prime is 88693443493. The reversal of 88693443481 is 18434439688.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85345779600 + 3347663881 = 292140^2 + 57859^2 .

It is a cyclic number.

It is not a de Polignac number, because 88693443481 - 2³ = 88693443473 is a prime.

It is a super-2 number, since 2×88693443481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88693443281) 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, 44346721740 + 44346721741.

It is an arithmetic number, because the mean of its divisors is an integer number (44346721741).

Almost surely, 2^88693443481 is an apocalyptic number.

It is an amenable number.

88693443481 is a deficient number, since it is larger than the sum of its proper divisors (1).

88693443481 is an equidigital number, since it uses as much as digits as its factorization.

88693443481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 58.

The spelling of 88693443481 in words is "eighty-eight billion, six hundred ninety-three million, four hundred forty-three thousand, four hundred eighty-one".