77480308548 has 36 divisors (see below), whose sum is σ = 195873718768. Its totient is φ = 25824037680.

The previous prime is 77480308523. The next prime is 77480308559. The reversal of 77480308548 is 84580308477.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 77480308494 and 77480308503.

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 11 ways as a sum of consecutive naturals, for example, 246903 + ... + 464673.

Almost surely, 2^77480308548 is an apocalyptic number.

It is an amenable number.

77480308548 is an abundant number, since it is smaller than the sum of its proper divisors (118393410220).

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

77480308548 is a wasteful number, since it uses less digits than its factorization.

77480308548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227664 (or 227659 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 77480308548 in words is "seventy-seven billion, four hundred eighty million, three hundred eight thousand, five hundred forty-eight".