77705714 has 16 divisors (see below), whose sum is σ = 118830240. Its totient is φ = 38099040.

The previous prime is 77705713. The next prime is 77705723. The reversal of 77705714 is 41750777.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77705713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81062 + ... + 82014.

It is an arithmetic number, because the mean of its divisors is an integer number (7426890).

Almost surely, 2^77705714 is an apocalyptic number.

77705714 is a deficient number, since it is larger than the sum of its proper divisors (41124526).

77705714 is a wasteful number, since it uses less digits than its factorization.

77705714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 48020, while the sum is 38.

The square root of 77705714 is about 8815.0844579051. The cubic root of 77705714 is about 426.7278475364.

The spelling of 77705714 in words is "seventy-seven million, seven hundred five thousand, seven hundred fourteen".