77332069816 has 16 divisors (see below), whose sum is σ = 145099548000. Its totient is φ = 38638857024.

The previous prime is 77332069783. The next prime is 77332069853. The reversal of 77332069816 is 61896023377.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3385141 + ... + 3407908.

It is an arithmetic number, because the mean of its divisors is an integer number (9068721750).

Almost surely, 2^77332069816 is an apocalyptic number.

It is an amenable number.

77332069816 is a deficient number, since it is larger than the sum of its proper divisors (67767478184).

77332069816 is a wasteful number, since it uses less digits than its factorization.

77332069816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794478 (or 6794474 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 77332069816 in words is "seventy-seven billion, three hundred thirty-two million, sixty-nine thousand, eight hundred sixteen".