802088789 has 2 divisors, whose sum is σ = 802088790. Its totient is φ = 802088788.

The previous prime is 802088783. The next prime is 802088801. The reversal of 802088789 is 987880208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791578225 + 10510564 = 28135^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 802088789 - 2¹⁶ = 802023253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802088783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401044394 + 401044395.

It is an arithmetic number, because the mean of its divisors is an integer number (401044395).

Almost surely, 2^802088789 is an apocalyptic number.

It is an amenable number.

802088789 is a deficient number, since it is larger than the sum of its proper divisors (1).

802088789 is an equidigital number, since it uses as much as digits as its factorization.

802088789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 50.

The square root of 802088789 is about 28321.1720979200. The cubic root of 802088789 is about 929.1250062074.

The spelling of 802088789 in words is "eight hundred two million, eighty-eight thousand, seven hundred eighty-nine".