42828840667 has 2 divisors, whose sum is σ = 42828840668. Its totient is φ = 42828840666.

The previous prime is 42828840611. The next prime is 42828840679. The reversal of 42828840667 is 76604882824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42828840667 - 2¹⁵ = 42828807899 is a prime.

It is not a weakly prime, because it can be changed into another prime (42828840697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21414420333 + 21414420334.

It is an arithmetic number, because the mean of its divisors is an integer number (21414420334).

Almost surely, 2^42828840667 is an apocalyptic number.

42828840667 is a deficient number, since it is larger than the sum of its proper divisors (1).

42828840667 is an equidigital number, since it uses as much as digits as its factorization.

42828840667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8257536, while the sum is 55.

The spelling of 42828840667 in words is "forty-two billion, eight hundred twenty-eight million, eight hundred forty thousand, six hundred sixty-seven".