42682777 has 2 divisors, whose sum is σ = 42682778. Its totient is φ = 42682776.

The previous prime is 42682769. The next prime is 42682807. The reversal of 42682777 is 77728624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38638656 + 4044121 = 6216^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 42682777 - 2³ = 42682769 is a prime.

It is not a weakly prime, because it can be changed into another prime (42682477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21341388 + 21341389.

It is an arithmetic number, because the mean of its divisors is an integer number (21341389).

Almost surely, 2^42682777 is an apocalyptic number.

It is an amenable number.

42682777 is a deficient number, since it is larger than the sum of its proper divisors (1).

42682777 is an equidigital number, since it uses as much as digits as its factorization.

42682777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 43.

The square root of 42682777 is about 6533.2057215428. The cubic root of 42682777 is about 349.4761605867.

The spelling of 42682777 in words is "forty-two million, six hundred eighty-two thousand, seven hundred seventy-seven".