427722797 has 2 divisors, whose sum is σ = 427722798. Its totient is φ = 427722796.

The previous prime is 427722791. The next prime is 427722803. The reversal of 427722797 is 797227724.

It is a balanced prime because it is at equal distance from previous prime (427722791) and next prime (427722803).

It can be written as a sum of positive squares in only one way, i.e., 363626761 + 64096036 = 19069^2 + 8006^2 .

It is a cyclic number.

It is not a de Polignac number, because 427722797 - 2⁸ = 427722541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427722791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213861398 + 213861399.

It is an arithmetic number, because the mean of its divisors is an integer number (213861399).

Almost surely, 2^427722797 is an apocalyptic number.

It is an amenable number.

427722797 is a deficient number, since it is larger than the sum of its proper divisors (1).

427722797 is an equidigital number, since it uses as much as digits as its factorization.

427722797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691488, while the sum is 47.

The square root of 427722797 is about 20681.4602240751. The cubic root of 427722797 is about 753.4494717221.

The spelling of 427722797 in words is "four hundred twenty-seven million, seven hundred twenty-two thousand, seven hundred ninety-seven".