786481745 has 16 divisors (see below), whose sum is σ = 1080138240. Its totient is φ = 538534464.

The previous prime is 786481669. The next prime is 786481747. The reversal of 786481745 is 547184687.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 786481745 - 2²⁸ = 518046289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 786481693 and 786481702.

It is not an unprimeable number, because it can be changed into a prime (786481747) 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 15 ways as a sum of consecutive naturals, for example, 9539 + ... + 40791.

It is an arithmetic number, because the mean of its divisors is an integer number (67508640).

Almost surely, 2^786481745 is an apocalyptic number.

It is an amenable number.

786481745 is a deficient number, since it is larger than the sum of its proper divisors (293656495).

786481745 is a wasteful number, since it uses less digits than its factorization.

786481745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31984.

The product of its digits is 1505280, while the sum is 50.

The square root of 786481745 is about 28044.2818592311. The cubic root of 786481745 is about 923.0591865832.

The spelling of 786481745 in words is "seven hundred eighty-six million, four hundred eighty-one thousand, seven hundred forty-five".