982279691 has 2 divisors, whose sum is σ = 982279692. Its totient is φ = 982279690.

The previous prime is 982279673. The next prime is 982279729. The reversal of 982279691 is 196972289.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-982279691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (982279591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491139845 + 491139846.

It is an arithmetic number, because the mean of its divisors is an integer number (491139846).

Almost surely, 2^982279691 is an apocalyptic number.

982279691 is a deficient number, since it is larger than the sum of its proper divisors (1).

982279691 is an equidigital number, since it uses as much as digits as its factorization.

982279691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The square root of 982279691 is about 31341.3415635004. The cubic root of 982279691 is about 994.0579928163.

The spelling of 982279691 in words is "nine hundred eighty-two million, two hundred seventy-nine thousand, six hundred ninety-one".