807608689 has 2 divisors, whose sum is σ = 807608690. Its totient is φ = 807608688.

The previous prime is 807608677. The next prime is 807608713. The reversal of 807608689 is 986806708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715295025 + 92313664 = 26745^2 + 9608^2 .

It is a cyclic number.

It is not a de Polignac number, because 807608689 - 2¹⁵ = 807575921 is a prime.

It is not a weakly prime, because it can be changed into another prime (807608489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403804344 + 403804345.

It is an arithmetic number, because the mean of its divisors is an integer number (403804345).

Almost surely, 2^807608689 is an apocalyptic number.

It is an amenable number.

807608689 is a deficient number, since it is larger than the sum of its proper divisors (1).

807608689 is an equidigital number, since it uses as much as digits as its factorization.

807608689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 807608689 is about 28418.4568370628. The cubic root of 807608689 is about 931.2515192744.

The spelling of 807608689 in words is "eight hundred seven million, six hundred eight thousand, six hundred eighty-nine".