77383934 has 4 divisors (see below), whose sum is σ = 116075904. Its totient is φ = 38691966.

The previous prime is 77383913. The next prime is 77383939. The reversal of 77383934 is 43938377.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77383939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19345982 + ... + 19345985.

It is an arithmetic number, because the mean of its divisors is an integer number (29018976).

Almost surely, 2^77383934 is an apocalyptic number.

77383934 is a deficient number, since it is larger than the sum of its proper divisors (38691970).

77383934 is a wasteful number, since it uses less digits than its factorization.

77383934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38691969.

The product of its digits is 381024, while the sum is 44.

The square root of 77383934 is about 8796.8138550273. The cubic root of 77383934 is about 426.1380047636.

The spelling of 77383934 in words is "seventy-seven million, three hundred eighty-three thousand, nine hundred thirty-four".