67828843 has 2 divisors, whose sum is σ = 67828844. Its totient is φ = 67828842.

The previous prime is 67828811. The next prime is 67828853. The reversal of 67828843 is 34882876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67828843 - 2⁵ = 67828811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67828793 and 67828802.

It is not a weakly prime, because it can be changed into another prime (67828853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33914421 + 33914422.

It is an arithmetic number, because the mean of its divisors is an integer number (33914422).

Almost surely, 2^67828843 is an apocalyptic number.

67828843 is a deficient number, since it is larger than the sum of its proper divisors (1).

67828843 is an equidigital number, since it uses as much as digits as its factorization.

67828843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 46.

The square root of 67828843 is about 8235.8267951676. The cubic root of 67828843 is about 407.8227696058.

It can be divided in two parts, 6782 and 8843, that added together give a 6-th power (15625 = 5⁶).

The spelling of 67828843 in words is "sixty-seven million, eight hundred twenty-eight thousand, eight hundred forty-three".