76828849 has 2 divisors, whose sum is σ = 76828850. Its totient is φ = 76828848.

The previous prime is 76828823. The next prime is 76828891. The reversal of 76828849 is 94882867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51022449 + 25806400 = 7143^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 76828849 - 2¹¹ = 76826801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76828796 and 76828805.

It is not a weakly prime, because it can be changed into another prime (76828949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38414424 + 38414425.

It is an arithmetic number, because the mean of its divisors is an integer number (38414425).

Almost surely, 2^76828849 is an apocalyptic number.

It is an amenable number.

76828849 is a deficient number, since it is larger than the sum of its proper divisors (1).

76828849 is an equidigital number, since it uses as much as digits as its factorization.

76828849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 52.

The square root of 76828849 is about 8765.2067288798. The cubic root of 76828849 is about 425.1166443384.

It can be divided in two parts, 76828 and 849, that added together give a palindrome (77677).

The spelling of 76828849 in words is "seventy-six million, eight hundred twenty-eight thousand, eight hundred forty-nine".