77788652585632 has 48 divisors (see below), whose sum is σ = 159664708193760. Its totient is φ = 37273018228992.

The previous prime is 77788652585629. The next prime is 77788652585711. The reversal of 77788652585632 is 23658525688777.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533252082 + ... + 533397937.

It is an arithmetic number, because the mean of its divisors is an integer number (3326348087370).

Almost surely, 2^{77788652585632} is an apocalyptic number.

It is an amenable number.

77788652585632 is an abundant number, since it is smaller than the sum of its proper divisors (81876055608128).

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

77788652585632 is a wasteful number, since it uses less digits than its factorization.

77788652585632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066650125 (or 1066650117 counting only the distinct ones).

The product of its digits is 9483264000, while the sum is 79.

The spelling of 77788652585632 in words is "seventy-seven trillion, seven hundred eighty-eight billion, six hundred fifty-two million, five hundred eighty-five thousand, six hundred thirty-two".