775350908646 has 12 divisors (see below), whose sum is σ = 1550706131052. Its totient is φ = 258449583924.

The previous prime is 775350908639. The next prime is 775350908669. The reversal of 775350908646 is 646809053577.

It is a self number, because there is not a number n which added to its sum of digits gives 775350908646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1977135 + ... + 2336613.

It is an arithmetic number, because the mean of its divisors is an integer number (129225510921).

Almost surely, 2^775350908646 is an apocalyptic number.

775350908646 is an abundant number, since it is smaller than the sum of its proper divisors (775355222406).

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

775350908646 is an frugal number, since it uses more digits than its factorization.

775350908646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718963 (or 359484 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 775350908646 in words is "seven hundred seventy-five billion, three hundred fifty million, nine hundred eight thousand, six hundred forty-six".