77009394036 has 24 divisors (see below), whose sum is σ = 179693846080. Its totient is φ = 25669046592.

The previous prime is 77009394017. The next prime is 77009394071. The reversal of 77009394036 is 63049390077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467160 + ... + 610128.

Almost surely, 2^77009394036 is an apocalyptic number.

It is an amenable number.

77009394036 is an abundant number, since it is smaller than the sum of its proper divisors (102684452044).

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

77009394036 is a wasteful number, since it uses less digits than its factorization.

77009394036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187863 (or 187861 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 77009394036 in words is "seventy-seven billion, nine million, three hundred ninety-four thousand, thirty-six".