77105934 has 12 divisors (see below), whose sum is σ = 167062896. Its totient is φ = 25701972.

The previous prime is 77105909. The next prime is 77105939. The reversal of 77105934 is 43950177.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77105939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2141814 + ... + 2141849.

It is an arithmetic number, because the mean of its divisors is an integer number (13921908).

Almost surely, 2^77105934 is an apocalyptic number.

77105934 is an abundant number, since it is smaller than the sum of its proper divisors (89956962).

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

77105934 is a wasteful number, since it uses less digits than its factorization.

77105934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283671 (or 4283668 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 77105934 is about 8780.9984625895. The cubic root of 77105934 is about 425.6270954764.

The spelling of 77105934 in words is "seventy-seven million, one hundred five thousand, nine hundred thirty-four".