77160573136 has 40 divisors (see below), whose sum is σ = 150755462144. Its totient is φ = 38256261120.

The previous prime is 77160573103. The next prime is 77160573137. The reversal of 77160573136 is 63137506177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77160573137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4284631 + ... + 4302601.

Almost surely, 2^77160573136 is an apocalyptic number.

It is an amenable number.

77160573136 is a deficient number, since it is larger than the sum of its proper divisors (73594889008).

77160573136 is a wasteful number, since it uses less digits than its factorization.

77160573136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219 (or 20213 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 77160573136 in words is "seventy-seven billion, one hundred sixty million, five hundred seventy-three thousand, one hundred thirty-six".