76828751 has 2 divisors, whose sum is σ = 76828752. Its totient is φ = 76828750.

The previous prime is 76828733. The next prime is 76828783. The reversal of 76828751 is 15782867.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76828751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76822751) 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 as a sum of consecutive naturals, namely, 38414375 + 38414376.

It is an arithmetic number, because the mean of its divisors is an integer number (38414376).

Almost surely, 2^76828751 is an apocalyptic number.

76828751 is a deficient number, since it is larger than the sum of its proper divisors (1).

76828751 is an equidigital number, since it uses as much as digits as its factorization.

76828751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 44.

The square root of 76828751 is about 8765.2011385935. The cubic root of 76828751 is about 425.1164635841.

The spelling of 76828751 in words is "seventy-six million, eight hundred twenty-eight thousand, seven hundred fifty-one".