76828839 has 8 divisors (see below), whose sum is σ = 102668400. Its totient is φ = 51104256.

The previous prime is 76828823. The next prime is 76828849. The reversal of 76828839 is 93882867.

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

It is not a de Polignac number, because 76828839 - 2⁴ = 76828823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76828791 and 76828800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76828849) 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 7 ways as a sum of consecutive naturals, for example, 27172 + ... + 29865.

It is an arithmetic number, because the mean of its divisors is an integer number (12833550).

Almost surely, 2^76828839 is an apocalyptic number.

76828839 is a deficient number, since it is larger than the sum of its proper divisors (25839561).

76828839 is a wasteful number, since it uses less digits than its factorization.

76828839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57489.

The product of its digits is 1161216, while the sum is 51.

The square root of 76828839 is about 8765.2061584426. The cubic root of 76828839 is about 425.1166258941.

The spelling of 76828839 in words is "seventy-six million, eight hundred twenty-eight thousand, eight hundred thirty-nine".