85428184067 has 2 divisors, whose sum is σ = 85428184068. Its totient is φ = 85428184066.

The previous prime is 85428184031. The next prime is 85428184091. The reversal of 85428184067 is 76048182458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85428184067 - 2³⁰ = 84354442243 is a prime.

It is not a weakly prime, because it can be changed into another prime (85428184097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42714092033 + 42714092034.

It is an arithmetic number, because the mean of its divisors is an integer number (42714092034).

Almost surely, 2^85428184067 is an apocalyptic number.

85428184067 is a deficient number, since it is larger than the sum of its proper divisors (1).

85428184067 is an equidigital number, since it uses as much as digits as its factorization.

85428184067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 85428184067 in words is "eighty-five billion, four hundred twenty-eight million, one hundred eighty-four thousand, sixty-seven".