76827644 has 12 divisors (see below), whose sum is σ = 134526168. Its totient is φ = 38391600.

The previous prime is 76827629. The next prime is 76827677. The reversal of 76827644 is 44672867.

It is a junction number, because it is equal to n+sod(n) for n = 76827595 and 76827604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (11210514).

Almost surely, 2^76827644 is an apocalyptic number.

It is an amenable number.

76827644 is a deficient number, since it is larger than the sum of its proper divisors (57698524).

76827644 is a wasteful number, since it uses less digits than its factorization.

76827644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116 (or 11114 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 76827644 is about 8765.1379909275. The cubic root of 76827644 is about 425.1144217869.

The spelling of 76827644 in words is "seventy-six million, eight hundred twenty-seven thousand, six hundred forty-four".