77683846 has 16 divisors (see below), whose sum is σ = 123635376. Its totient is φ = 36481536.

The previous prime is 77683817. The next prime is 77683873. The reversal of 77683846 is 64838677.

It is a self number, because there is not a number n which added to its sum of digits gives 77683846.

It is a congruent number.

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, 16510 + ... + 20686.

It is an arithmetic number, because the mean of its divisors is an integer number (7727211).

Almost surely, 2^77683846 is an apocalyptic number.

77683846 is a deficient number, since it is larger than the sum of its proper divisors (45951530).

77683846 is a wasteful number, since it uses less digits than its factorization.

77683846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its digits is 1354752, while the sum is 49.

The square root of 77683846 is about 8813.8439968041. The cubic root of 77683846 is about 426.6878137576.

The spelling of 77683846 in words is "seventy-seven million, six hundred eighty-three thousand, eight hundred forty-six".