88669939877 has 2 divisors, whose sum is σ = 88669939878. Its totient is φ = 88669939876.

The previous prime is 88669939873. The next prime is 88669939997. The reversal of 88669939877 is 77893996688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68264103076 + 20405836801 = 261274^2 + 142849^2 .

It is a cyclic number.

It is not a de Polignac number, because 88669939877 - 2² = 88669939873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88669939873) 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, 44334969938 + 44334969939.

It is an arithmetic number, because the mean of its divisors is an integer number (44334969939).

Almost surely, 2^88669939877 is an apocalyptic number.

It is an amenable number.

88669939877 is a deficient number, since it is larger than the sum of its proper divisors (1).

88669939877 is an equidigital number, since it uses as much as digits as its factorization.

88669939877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975228416, while the sum is 80.

The spelling of 88669939877 in words is "eighty-eight billion, six hundred sixty-nine million, nine hundred thirty-nine thousand, eight hundred seventy-seven".