76828417 has 2 divisors, whose sum is σ = 76828418. Its totient is φ = 76828416.

The previous prime is 76828403. The next prime is 76828471. The reversal of 76828417 is 71482867.

Together with next prime (76828471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 370881 = 8744^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 76828417 - 2⁷ = 76828289 is a prime.

It is not a weakly prime, because it can be changed into another prime (76858417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38414208 + 38414209.

It is an arithmetic number, because the mean of its divisors is an integer number (38414209).

Almost surely, 2^76828417 is an apocalyptic number.

It is an amenable number.

76828417 is a deficient number, since it is larger than the sum of its proper divisors (1).

76828417 is an equidigital number, since it uses as much as digits as its factorization.

76828417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 76828417 is about 8765.1820859581. The cubic root of 76828417 is about 425.1158475425.

The spelling of 76828417 in words is "seventy-six million, eight hundred twenty-eight thousand, four hundred seventeen".