76386771 has 6 divisors (see below), whose sum is σ = 110336460. Its totient is φ = 50924508.

The previous prime is 76386743. The next prime is 76386773. The reversal of 76386771 is 17768367.

It is a happy number.

76386771 is a `hidden beast` number, since 7 + 638 + 6 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 76386771 - 2⁹ = 76386259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76386773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4243701 + ... + 4243718.

It is an arithmetic number, because the mean of its divisors is an integer number (18389410).

Almost surely, 2^76386771 is an apocalyptic number.

76386771 is a deficient number, since it is larger than the sum of its proper divisors (33949689).

76386771 is a wasteful number, since it uses less digits than its factorization.

76386771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487425 (or 8487422 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 76386771 is about 8739.9525742420. The cubic root of 76386771 is about 424.2996928166.

The spelling of 76386771 in words is "seventy-six million, three hundred eighty-six thousand, seven hundred seventy-one".