8785651949 has 2 divisors, whose sum is σ = 8785651950. Its totient is φ = 8785651948.

The previous prime is 8785651939. The next prime is 8785651957. The reversal of 8785651949 is 9491565878.

8785651949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7108176100 + 1677475849 = 84310^2 + 40957^2 .

It is a cyclic number.

It is not a de Polignac number, because 8785651949 - 2¹² = 8785647853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8785651891 and 8785651900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8785651939) 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, 4392825974 + 4392825975.

It is an arithmetic number, because the mean of its divisors is an integer number (4392825975).

Almost surely, 2^8785651949 is an apocalyptic number.

It is an amenable number.

8785651949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8785651949 is an equidigital number, since it uses as much as digits as its factorization.

8785651949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 62.

The square root of 8785651949 is about 93731.8086297283. The cubic root of 8785651949 is about 2063.4375593417.

The spelling of 8785651949 in words is "eight billion, seven hundred eighty-five million, six hundred fifty-one thousand, nine hundred forty-nine".