88318851389 has 2 divisors, whose sum is σ = 88318851390. Its totient is φ = 88318851388.

The previous prime is 88318851347. The next prime is 88318851421. The reversal of 88318851389 is 98315881388.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67685827225 + 20633024164 = 260165^2 + 143642^2 .

It is a cyclic number.

It is not a de Polignac number, because 88318851389 - 2⁸ = 88318851133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88318851289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44159425694 + 44159425695.

It is an arithmetic number, because the mean of its divisors is an integer number (44159425695).

Almost surely, 2^88318851389 is an apocalyptic number.

It is an amenable number.

88318851389 is a deficient number, since it is larger than the sum of its proper divisors (1).

88318851389 is an equidigital number, since it uses as much as digits as its factorization.

88318851389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13271040, while the sum is 62.

The spelling of 88318851389 in words is "eighty-eight billion, three hundred eighteen million, eight hundred fifty-one thousand, three hundred eighty-nine".