88105993 has 2 divisors, whose sum is σ = 88105994. Its totient is φ = 88105992.

The previous prime is 88105943. The next prime is 88106003. The reversal of 88105993 is 39950188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48818169 + 39287824 = 6987^2 + 6268^2 .

It is a cyclic number.

It is not a de Polignac number, because 88105993 - 2⁹ = 88105481 is a prime.

It is not a weakly prime, because it can be changed into another prime (88105903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44052996 + 44052997.

It is an arithmetic number, because the mean of its divisors is an integer number (44052997).

Almost surely, 2^88105993 is an apocalyptic number.

It is an amenable number.

88105993 is a deficient number, since it is larger than the sum of its proper divisors (1).

88105993 is an equidigital number, since it uses as much as digits as its factorization.

88105993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 88105993 is about 9386.4792654115. The cubic root of 88105993 is about 444.9745270105.

It can be divided in two parts, 88105 and 993, that added together give a palindrome (89098).

The spelling of 88105993 in words is "eighty-eight million, one hundred five thousand, nine hundred ninety-three".