80888693 has 2 divisors, whose sum is σ = 80888694. Its totient is φ = 80888692.

The previous prime is 80888657. The next prime is 80888707. The reversal of 80888693 is 39688808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78978769 + 1909924 = 8887^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 80888693 - 2²² = 76694389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80888293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40444346 + 40444347.

It is an arithmetic number, because the mean of its divisors is an integer number (40444347).

Almost surely, 2^80888693 is an apocalyptic number.

It is an amenable number.

80888693 is a deficient number, since it is larger than the sum of its proper divisors (1).

80888693 is an equidigital number, since it uses as much as digits as its factorization.

80888693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 80888693 is about 8993.8141519602. The cubic root of 80888693 is about 432.4765920039.

The spelling of 80888693 in words is "eighty million, eight hundred eighty-eight thousand, six hundred ninety-three".