986927069 has 2 divisors, whose sum is σ = 986927070. Its totient is φ = 986927068.

The previous prime is 986927063. The next prime is 986927087. The reversal of 986927069 is 960729689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853224100 + 133702969 = 29210^2 + 11563^2 .

It is an emirp because it is prime and its reverse (960729689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986927069 - 2¹² = 986922973 is a prime.

It is a super-2 number, since 2×986927069² = 1948050079049861522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986927063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493463534 + 493463535.

It is an arithmetic number, because the mean of its divisors is an integer number (493463535).

Almost surely, 2^986927069 is an apocalyptic number.

It is an amenable number.

986927069 is a deficient number, since it is larger than the sum of its proper divisors (1).

986927069 is an equidigital number, since it uses as much as digits as its factorization.

986927069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 986927069 is about 31415.3954137140. The cubic root of 986927069 is about 995.6232281488.

The spelling of 986927069 in words is "nine hundred eighty-six million, nine hundred twenty-seven thousand, sixty-nine".