77030455548 has 24 divisors (see below), whose sum is σ = 184595507152. Its totient is φ = 24982850304.

The previous prime is 77030455531. The next prime is 77030455553. The reversal of 77030455548 is 84555403077.

It is a junction number, because it is equal to n+sod(n) for n = 77030455497 and 77030455506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86745565 + ... + 86746452.

Almost surely, 2^77030455548 is an apocalyptic number.

It is an amenable number.

77030455548 is an abundant number, since it is smaller than the sum of its proper divisors (107565051604).

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

77030455548 is a wasteful number, since it uses less digits than its factorization.

77030455548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173492061 (or 173492059 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 77030455548 in words is "seventy-seven billion, thirty million, four hundred fifty-five thousand, five hundred forty-eight".