786608641 has 24 divisors (see below), whose sum is σ = 999818304. Its totient is φ = 605517120.

The previous prime is 786608629. The next prime is 786608651. The reversal of 786608641 is 146806687.

It is a happy number.

It is not a de Polignac number, because 786608641 - 2¹⁷ = 786477569 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 786608591 and 786608600.

It is not an unprimeable number, because it can be changed into a prime (786608621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34786 + ... + 52756.

It is an arithmetic number, because the mean of its divisors is an integer number (41659096).

Almost surely, 2^786608641 is an apocalyptic number.

It is an amenable number.

786608641 is a deficient number, since it is larger than the sum of its proper divisors (213209663).

786608641 is a wasteful number, since it uses less digits than its factorization.

786608641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18041 (or 18028 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 786608641 is about 28046.5441899711. The cubic root of 786608641 is about 923.1088280064.

The spelling of 786608641 in words is "seven hundred eighty-six million, six hundred eight thousand, six hundred forty-one".