10720777 has 2 divisors, whose sum is σ = 10720778. Its totient is φ = 10720776.

The previous prime is 10720771. The next prime is 10720781. The reversal of 10720777 is 77702701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10653696 + 67081 = 3264^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 10720777 - 2¹⁵ = 10688009 is a prime.

It is a super-2 number, since 2×10720777² = 229870118967458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10720771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360388 + 5360389.

It is an arithmetic number, because the mean of its divisors is an integer number (5360389).

Almost surely, 2^10720777 is an apocalyptic number.

It is an amenable number.

10720777 is a deficient number, since it is larger than the sum of its proper divisors (1).

10720777 is an equidigital number, since it uses as much as digits as its factorization.

10720777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4802, while the sum is 31.

The square root of 10720777 is about 3274.2597636718. The cubic root of 10720777 is about 220.5000814132.

The spelling of 10720777 in words is "ten million, seven hundred twenty thousand, seven hundred seventy-seven".