77753480424 has 16 divisors (see below), whose sum is σ = 194383701120. Its totient is φ = 25917826800.

The previous prime is 77753480407. The next prime is 77753480479. The reversal of 77753480424 is 42408435777.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619864152 + ... + 1619864199.

It is an arithmetic number, because the mean of its divisors is an integer number (12148981320).

Almost surely, 2^77753480424 is an apocalyptic number.

It is an amenable number.

77753480424 is an abundant number, since it is smaller than the sum of its proper divisors (116630220696).

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

77753480424 is a wasteful number, since it uses less digits than its factorization.

77753480424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239728360 (or 3239728356 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 77753480424 in words is "seventy-seven billion, seven hundred fifty-three million, four hundred eighty thousand, four hundred twenty-four".