77091676404 has 12 divisors (see below), whose sum is σ = 179880578304. Its totient is φ = 25697225464.

The previous prime is 77091676357. The next prime is 77091676427. The reversal of 77091676404 is 40467619077.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3212153172 + ... + 3212153195.

It is an arithmetic number, because the mean of its divisors is an integer number (14990048192).

Almost surely, 2^77091676404 is an apocalyptic number.

It is an amenable number.

77091676404 is an abundant number, since it is smaller than the sum of its proper divisors (102788901900).

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

77091676404 is a wasteful number, since it uses less digits than its factorization.

77091676404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424306374 (or 6424306372 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 77091676404 in words is "seventy-seven billion, ninety-one million, six hundred seventy-six thousand, four hundred four".