10489777 has 2 divisors, whose sum is σ = 10489778. Its totient is φ = 10489776.

The previous prime is 10489769. The next prime is 10489781. The reversal of 10489777 is 77798401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 4844401 = 2376^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 10489777 - 2³ = 10489769 is a prime.

It is a super-2 number, since 2×10489777² = 220070843019458, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (10489757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5244888 + 5244889.

It is an arithmetic number, because the mean of its divisors is an integer number (5244889).

Almost surely, 2^10489777 is an apocalyptic number.

It is an amenable number.

10489777 is a deficient number, since it is larger than the sum of its proper divisors (1).

10489777 is an equidigital number, since it uses as much as digits as its factorization.

10489777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 10489777 is about 3238.7925219131. The cubic root of 10489777 is about 218.9048675305.

The spelling of 10489777 in words is "ten million, four hundred eighty-nine thousand, seven hundred seventy-seven".