773445445808 has 40 divisors (see below), whose sum is σ = 1712795112192. Its totient is φ = 331444507968.

The previous prime is 773445445771. The next prime is 773445445823. The reversal of 773445445808 is 808544544377.

It is a super-2 number, since 2×773445445808² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 845291 + ... + 1503797.

Almost surely, 2^773445445808 is an apocalyptic number.

It is an amenable number.

773445445808 is an abundant number, since it is smaller than the sum of its proper divisors (939349666384).

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

773445445808 is a wasteful number, since it uses less digits than its factorization.

773445445808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669009 (or 669003 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 59.

The spelling of 773445445808 in words is "seven hundred seventy-three billion, four hundred forty-five million, four hundred forty-five thousand, eight hundred eight".