76823943 has 8 divisors (see below), whose sum is σ = 117065088. Its totient is φ = 43899384.

The previous prime is 76823939. The next prime is 76823947. The reversal of 76823943 is 34932867.

It is an interprime number because it is at equal distance from previous prime (76823939) and next prime (76823947).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76823943 - 2² = 76823939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76823895 and 76823904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76823947) 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 7 ways as a sum of consecutive naturals, for example, 1829121 + ... + 1829162.

It is an arithmetic number, because the mean of its divisors is an integer number (14633136).

Almost surely, 2^76823943 is an apocalyptic number.

76823943 is a deficient number, since it is larger than the sum of its proper divisors (40241145).

76823943 is a wasteful number, since it uses less digits than its factorization.

76823943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658293.

The product of its digits is 217728, while the sum is 42.

The square root of 76823943 is about 8764.9268679208. The cubic root of 76823943 is about 425.1075953649.

The spelling of 76823943 in words is "seventy-six million, eight hundred twenty-three thousand, nine hundred forty-three".