786494109 has 16 divisors (see below), whose sum is σ = 1064591360. Its totient is φ = 516423600.

The previous prime is 786494081. The next prime is 786494119. The reversal of 786494109 is 901494687.

It is not a de Polignac number, because 786494109 - 2⁸ = 786493853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (786494119) 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 in 15 ways as a sum of consecutive naturals, for example, 45534 + ... + 60384.

It is an arithmetic number, because the mean of its divisors is an integer number (66536960).

Almost surely, 2^786494109 is an apocalyptic number.

It is an amenable number.

786494109 is a deficient number, since it is larger than the sum of its proper divisors (278097251).

786494109 is a wasteful number, since it uses less digits than its factorization.

786494109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15120.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 786494109 is about 28044.5022954589. The cubic root of 786494109 is about 923.0640235863.

The spelling of 786494109 in words is "seven hundred eighty-six million, four hundred ninety-four thousand, one hundred nine".