77189367919504 has 45 divisors (see below), whose sum is σ = 151476905451963. Its totient is φ = 38104773079776.

The previous prime is 77189367919493. The next prime is 77189367919523. The reversal of 77189367919504 is 40591976398177.

The square root of 77189367919504 is 8785748.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2776282467 + ... + 2776310269.

Almost surely, 2^{77189367919504} is an apocalyptic number.

77189367919504 is the 8785748-th square number.

It is an amenable number.

77189367919504 is a deficient number, since it is larger than the sum of its proper divisors (74287537532459).

77189367919504 is an frugal number, since it uses more digits than its factorization.

77189367919504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55772 (or 27884 counting only the distinct ones).

The product of its (nonzero) digits is 720135360, while the sum is 76.

The spelling of 77189367919504 in words is "seventy-seven trillion, one hundred eighty-nine billion, three hundred sixty-seven million, nine hundred nineteen thousand, five hundred four".