88749069709 has 2 divisors, whose sum is σ = 88749069710. Its totient is φ = 88749069708.

The previous prime is 88749069691. The next prime is 88749069781. The reversal of 88749069709 is 90796094788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88729515625 + 19554084 = 297875^2 + 4422^2 .

It is a cyclic number.

It is not a de Polignac number, because 88749069709 - 2⁵ = 88749069677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88749064709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44374534854 + 44374534855.

It is an arithmetic number, because the mean of its divisors is an integer number (44374534855).

Almost surely, 2^88749069709 is an apocalyptic number.

It is an amenable number.

88749069709 is a deficient number, since it is larger than the sum of its proper divisors (1).

88749069709 is an equidigital number, since it uses as much as digits as its factorization.

88749069709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 88749069709 in words is "eighty-eight billion, seven hundred forty-nine million, sixty-nine thousand, seven hundred nine".