10420777 has 2 divisors, whose sum is σ = 10420778. Its totient is φ = 10420776.

The previous prime is 10420723. The next prime is 10420799. The reversal of 10420777 is 77702401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 2742336 = 2771^2 + 1656^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420777 - 2¹⁹ = 9896489 is a prime.

It is not a weakly prime, because it can be changed into another prime (10420177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210388 + 5210389.

It is an arithmetic number, because the mean of its divisors is an integer number (5210389).

Almost surely, 2^10420777 is an apocalyptic number.

It is an amenable number.

10420777 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420777 is an equidigital number, since it uses as much as digits as its factorization.

10420777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 10420777 is about 3228.1228291377. The cubic root of 10420777 is about 218.4238380618.

The spelling of 10420777 in words is "ten million, four hundred twenty thousand, seven hundred seventy-seven".