88610440955909 has 2 divisors, whose sum is σ = 88610440955910. Its totient is φ = 88610440955908.

The previous prime is 88610440955899. The next prime is 88610440955989. The reversal of 88610440955909 is 90955904401688.

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., 76548885605284 + 12061555350625 = 8749222^2 + 3472975^2 .

It is a cyclic number.

It is not a de Polignac number, because 88610440955909 - 2⁴ = 88610440955893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88610440955989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44305220477954 + 44305220477955.

It is an arithmetic number, because the mean of its divisors is an integer number (44305220477955).

Almost surely, 2^{88610440955909} is an apocalyptic number.

It is an amenable number.

88610440955909 is a deficient number, since it is larger than the sum of its proper divisors (1).

88610440955909 is an equidigital number, since it uses as much as digits as its factorization.

88610440955909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111974400, while the sum is 68.

The spelling of 88610440955909 in words is "eighty-eight trillion, six hundred ten billion, four hundred forty million, nine hundred fifty-five thousand, nine hundred nine".