77786107802348 has 24 divisors (see below), whose sum is σ = 148707289221120. Its totient is φ = 35308146023120.

The previous prime is 77786107802327. The next prime is 77786107802393. The reversal of 77786107802348 is 84320870168777.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229360636 + ... + 1229423907.

It is an arithmetic number, because the mean of its divisors is an integer number (6196137050880).

Almost surely, 2^{77786107802348} is an apocalyptic number.

It is an amenable number.

77786107802348 is a deficient number, since it is larger than the sum of its proper divisors (70921181418772).

77786107802348 is a wasteful number, since it uses less digits than its factorization.

77786107802348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458785277 (or 2458785275 counting only the distinct ones).

The product of its (nonzero) digits is 177020928, while the sum is 68.

The spelling of 77786107802348 in words is "seventy-seven trillion, seven hundred eighty-six billion, one hundred seven million, eight hundred two thousand, three hundred forty-eight".