85889430079 has 2 divisors, whose sum is σ = 85889430080. Its totient is φ = 85889430078.

The previous prime is 85889430059. The next prime is 85889430119. The reversal of 85889430079 is 97003498858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85889430079 - 2⁵ = 85889430047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85889429999 and 85889430026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85889430019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42944715039 + 42944715040.

It is an arithmetic number, because the mean of its divisors is an integer number (42944715040).

Almost surely, 2^85889430079 is an apocalyptic number.

85889430079 is a deficient number, since it is larger than the sum of its proper divisors (1).

85889430079 is an equidigital number, since it uses as much as digits as its factorization.

85889430079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 85889430079 in words is "eighty-five billion, eight hundred eighty-nine million, four hundred thirty thousand, seventy-nine".