786949673 has 2 divisors, whose sum is σ = 786949674. Its totient is φ = 786949672.

The previous prime is 786949649. The next prime is 786949697. The reversal of 786949673 is 376949687.

It is a balanced prime because it is at equal distance from previous prime (786949649) and next prime (786949697).

It can be written as a sum of positive squares in only one way, i.e., 786914704 + 34969 = 28052^2 + 187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-786949673 is a prime.

It is not a weakly prime, because it can be changed into another prime (786949073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393474836 + 393474837.

It is an arithmetic number, because the mean of its divisors is an integer number (393474837).

Almost surely, 2^786949673 is an apocalyptic number.

It is an amenable number.

786949673 is a deficient number, since it is larger than the sum of its proper divisors (1).

786949673 is an equidigital number, since it uses as much as digits as its factorization.

786949673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The square root of 786949673 is about 28052.6232819678. The cubic root of 786949673 is about 923.2422124916.

The spelling of 786949673 in words is "seven hundred eighty-six million, nine hundred forty-nine thousand, six hundred seventy-three".