980085679 has 2 divisors, whose sum is σ = 980085680. Its totient is φ = 980085678.

The previous prime is 980085643. The next prime is 980085697. The reversal of 980085679 is 976580089.

Together with next prime (980085697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 980085679 - 2⁷ = 980085551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980085619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490042839 + 490042840.

It is an arithmetic number, because the mean of its divisors is an integer number (490042840).

Almost surely, 2^980085679 is an apocalyptic number.

980085679 is a deficient number, since it is larger than the sum of its proper divisors (1).

980085679 is an equidigital number, since it uses as much as digits as its factorization.

980085679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 980085679 is about 31306.3201127185. The cubic root of 980085679 is about 993.3173344595.

The spelling of 980085679 in words is "nine hundred eighty million, eighty-five thousand, six hundred seventy-nine".