786578116 has 27 divisors (see below), whose sum is σ = 1418462829. Its totient is φ = 381649968.

The previous prime is 786578099. The next prime is 786578119. The reversal of 786578116 is 611875687.

The square root of 786578116 is 28046.

It is a perfect power (a square), and thus also a powerful number.

786578116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 703840900 + 82737216 = 26530^2 + 9096^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 786578116.

It is not an unprimeable number, because it can be changed into a prime (786578119) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2075215 + ... + 2075593.

Almost surely, 2^786578116 is an apocalyptic number.

786578116 is the 28046-th square number.

It is an amenable number.

786578116 is a deficient number, since it is larger than the sum of its proper divisors (631884713).

786578116 is an equidigital number, since it uses as much as digits as its factorization.

786578116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 418 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The cubic root of 786578116 is about 923.0968871843.

Multiplying 786578116 by its sum of digits (49), we get a square (38542327684 = 196322²).

The spelling of 786578116 in words is "seven hundred eighty-six million, five hundred seventy-eight thousand, one hundred sixteen".