986045773 has 2 divisors, whose sum is σ = 986045774. Its totient is φ = 986045772.

The previous prime is 986045743. The next prime is 986045839. The reversal of 986045773 is 377540689.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722373129 + 263672644 = 26877^2 + 16238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986045773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986045743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493022886 + 493022887.

It is an arithmetic number, because the mean of its divisors is an integer number (493022887).

Almost surely, 2^986045773 is an apocalyptic number.

It is an amenable number.

986045773 is a deficient number, since it is larger than the sum of its proper divisors (1).

986045773 is an equidigital number, since it uses as much as digits as its factorization.

986045773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 986045773 is about 31401.3657823987. The cubic root of 986045773 is about 995.3267860911.

The spelling of 986045773 in words is "nine hundred eighty-six million, forty-five thousand, seven hundred seventy-three".