77613914 has 16 divisors (see below), whose sum is σ = 138837888. Its totient is φ = 31816752.

The previous prime is 77613911. The next prime is 77613923. The reversal of 77613914 is 41931677.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77613911) 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 7 ways as a sum of consecutive naturals, for example, 120197 + ... + 120840.

It is an arithmetic number, because the mean of its divisors is an integer number (8677368).

Almost surely, 2^77613914 is an apocalyptic number.

77613914 is a deficient number, since it is larger than the sum of its proper divisors (61223974).

77613914 is a wasteful number, since it uses less digits than its factorization.

77613914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241069.

The product of its digits is 31752, while the sum is 38.

The square root of 77613914 is about 8809.8759355623. The cubic root of 77613914 is about 426.5597386941.

The spelling of 77613914 in words is "seventy-seven million, six hundred thirteen thousand, nine hundred fourteen".