77910036 has 12 divisors (see below), whose sum is σ = 181790112. Its totient is φ = 25970008.

The previous prime is 77910011. The next prime is 77910043. The reversal of 77910036 is 63001977.

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

It is a junction number, because it is equal to n+sod(n) for n = 77909979 and 77910006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246240 + ... + 3246263.

It is an arithmetic number, because the mean of its divisors is an integer number (15149176).

Almost surely, 2^77910036 is an apocalyptic number.

It is an amenable number.

77910036 is an abundant number, since it is smaller than the sum of its proper divisors (103880076).

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

77910036 is a wasteful number, since it uses less digits than its factorization.

77910036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492510 (or 6492508 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 77910036 is about 8826.6661883182. Note that the first 3 decimals coincide. The cubic root of 77910036 is about 427.1015376818.

The spelling of 77910036 in words is "seventy-seven million, nine hundred ten thousand, thirty-six".