76820383 has 4 divisors (see below), whose sum is σ = 76859280. Its totient is φ = 76781488.

The previous prime is 76820371. The next prime is 76820389. The reversal of 76820383 is 38302867.

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

It is a cyclic number.

It is not a de Polignac number, because 76820383 - 2⁵ = 76820351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76820389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16318 + ... + 20491.

It is an arithmetic number, because the mean of its divisors is an integer number (19214820).

Almost surely, 2^76820383 is an apocalyptic number.

76820383 is a deficient number, since it is larger than the sum of its proper divisors (38897).

76820383 is a wasteful number, since it uses less digits than its factorization.

76820383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 76820383 is about 8764.7237834401. The cubic root of 76820383 is about 425.1010288079.

The spelling of 76820383 in words is "seventy-six million, eight hundred twenty thousand, three hundred eighty-three".