77860371864376 has 16 divisors (see below), whose sum is σ = 146526899084640. Its totient is φ = 38786532108480.

The previous prime is 77860371864347. The next prime is 77860371864377. The reversal of 77860371864376 is 67346817306877.

It is a junction number, because it is equal to n+sod(n) for n = 77860371864299 and 77860371864308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77860371864377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17956725661 + ... + 17956729996.

It is an arithmetic number, because the mean of its divisors is an integer number (9157931192790).

Almost surely, 2^{77860371864376} is an apocalyptic number.

It is an amenable number.

77860371864376 is a deficient number, since it is larger than the sum of its proper divisors (68666527220264).

77860371864376 is a wasteful number, since it uses less digits than its factorization.

77860371864376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35913455934 (or 35913455930 counting only the distinct ones).

The product of its (nonzero) digits is 1194891264, while the sum is 73.

The spelling of 77860371864376 in words is "seventy-seven trillion, eight hundred sixty billion, three hundred seventy-one million, eight hundred sixty-four thousand, three hundred seventy-six".