6416477 has 2 divisors, whose sum is σ = 6416478. Its totient is φ = 6416476.

The previous prime is 6416447. The next prime is 6416489. The reversal of 6416477 is 7746146.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 2859481 = 1886^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 6416477 - 2⁶ = 6416413 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 (6416437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208238 + 3208239.

It is an arithmetic number, because the mean of its divisors is an integer number (3208239).

Almost surely, 2^6416477 is an apocalyptic number.

It is an amenable number.

6416477 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416477 is an equidigital number, since it uses as much as digits as its factorization.

6416477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 6416477 is about 2533.0765878670. The cubic root of 6416477 is about 185.8227490112.

The spelling of 6416477 in words is "six million, four hundred sixteen thousand, four hundred seventy-seven".