775961480322 has 90 divisors (see below), whose sum is σ = 2022807135987. Its totient is φ = 221680856376.

The previous prime is 775961480317. The next prime is 775961480353. The reversal of 775961480322 is 223084169577.

It is a happy number.

775961480322 is a `hidden beast` number, since 7 + 7 + 596 + 1 + 48 + 0 + 3 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 387980740161 + 387980740161 = 622881^2 + 622881^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=622881.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 78478063 + ... + 78487949.

It is a 1-persistent number, because it is pandigital, but 2⋅775961480322 = 1551922960644 is not.

Almost surely, 2^775961480322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 775961480322

775961480322 is an abundant number, since it is smaller than the sum of its proper divisors (1246845655665).

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

775961480322 is an frugal number, since it uses more digits than its factorization.

775961480322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19802 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 775961480322 in words is "seven hundred seventy-five billion, nine hundred sixty-one million, four hundred eighty thousand, three hundred twenty-two".