786728164542 has 64 divisors (see below), whose sum is σ = 1770041574720. Its totient is φ = 231865030656.

The previous prime is 786728164529. The next prime is 786728164543. The reversal of 786728164542 is 245461827687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (786728164543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3484693 + ... + 3703584.

It is an arithmetic number, because the mean of its divisors is an integer number (27656899605).

Almost surely, 2^786728164542 is an apocalyptic number.

786728164542 is an abundant number, since it is smaller than the sum of its proper divisors (983313410178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

786728164542 is a wasteful number, since it uses less digits than its factorization.

786728164542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188365.

The product of its digits is 36126720, while the sum is 60.

The spelling of 786728164542 in words is "seven hundred eighty-six billion, seven hundred twenty-eight million, one hundred sixty-four thousand, five hundred forty-two".