88886666668777 has 2 divisors, whose sum is σ = 88886666668778. Its totient is φ = 88886666668776.

The previous prime is 88886666668691. The next prime is 88886666668799. The reversal of 88886666668777 is 77786666668888.

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., 67115679917056 + 21770986751721 = 8192416^2 + 4665939^2 .

It is a cyclic number.

It is not a de Polignac number, because 88886666668777 - 2¹⁹ = 88886666144489 is a prime.

It is a super-2 number, since 2×88886666668777² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88886666668477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44443333334388 + 44443333334389.

It is an arithmetic number, because the mean of its divisors is an integer number (44443333334389).

Almost surely, 2^{88886666668777} is an apocalyptic number.

It is an amenable number.

88886666668777 is a deficient number, since it is larger than the sum of its proper divisors (1).

88886666668777 is an equidigital number, since it uses as much as digits as its factorization.

88886666668777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524386566144, while the sum is 97.

The spelling of 88886666668777 in words is "eighty-eight trillion, eight hundred eighty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, seven hundred seventy-seven".