76819331 has 4 divisors (see below), whose sum is σ = 77017200. Its totient is φ = 76621464.

The previous prime is 76819307. The next prime is 76819343. The reversal of 76819331 is 13391867.

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 76819331 - 2¹⁰ = 76818307 is a prime.

It is a super-2 number, since 2×76819331² = 11802419230575122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76819361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 98351 + ... + 99128.

It is an arithmetic number, because the mean of its divisors is an integer number (19254300).

Almost surely, 2^76819331 is an apocalyptic number.

76819331 is a deficient number, since it is larger than the sum of its proper divisors (197869).

76819331 is a wasteful number, since it uses less digits than its factorization.

76819331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197868.

The product of its digits is 27216, while the sum is 38.

The square root of 76819331 is about 8764.6637699344. The cubic root of 76819331 is about 425.0990883146.

The spelling of 76819331 in words is "seventy-six million, eight hundred nineteen thousand, three hundred thirty-one".