77683794 has 16 divisors (see below), whose sum is σ = 159567168. Its totient is φ = 25194672.

The previous prime is 77683789. The next prime is 77683817. The reversal of 77683794 is 49738677.

It is a super-3 number, since 3×77683794³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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, 174742 + ... + 175185.

It is an arithmetic number, because the mean of its divisors is an integer number (9972948).

Almost surely, 2^77683794 is an apocalyptic number.

77683794 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

77683794 is an abundant number, since it is smaller than the sum of its proper divisors (81883374).

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

77683794 is a wasteful number, since it uses less digits than its factorization.

77683794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349969.

The product of its digits is 1778112, while the sum is 51.

The square root of 77683794 is about 8813.8410468989. The cubic root of 77683794 is about 426.6877185522.

The spelling of 77683794 in words is "seventy-seven million, six hundred eighty-three thousand, seven hundred ninety-four".