477320693 has 2 divisors, whose sum is σ = 477320694. Its totient is φ = 477320692.

The previous prime is 477320681. The next prime is 477320699. The reversal of 477320693 is 396023774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445758769 + 31561924 = 21113^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 477320693 - 2⁶ = 477320629 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477320693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477320699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238660346 + 238660347.

It is an arithmetic number, because the mean of its divisors is an integer number (238660347).

Almost surely, 2^477320693 is an apocalyptic number.

It is an amenable number.

477320693 is a deficient number, since it is larger than the sum of its proper divisors (1).

477320693 is an equidigital number, since it uses as much as digits as its factorization.

477320693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 477320693 is about 21847.6701961559. The cubic root of 477320693 is about 781.5139852594.

The spelling of 477320693 in words is "four hundred seventy-seven million, three hundred twenty thousand, six hundred ninety-three".