4006606477 has 2 divisors, whose sum is σ = 4006606478. Its totient is φ = 4006606476.

The previous prime is 4006606421. The next prime is 4006606481. The reversal of 4006606477 is 7746066004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2026890441 + 1979716036 = 45021^2 + 44494^2 .

It is a cyclic number.

It is not a de Polignac number, because 4006606477 - 2⁷ = 4006606349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4006601477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003303238 + 2003303239.

It is an arithmetic number, because the mean of its divisors is an integer number (2003303239).

Almost surely, 2^4006606477 is an apocalyptic number.

It is an amenable number.

4006606477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006606477 is an equidigital number, since it uses as much as digits as its factorization.

4006606477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 4006606477 is about 63297.7604422147. The cubic root of 4006606477 is about 1588.2744986557.

The spelling of 4006606477 in words is "four billion, six million, six hundred six thousand, four hundred seventy-seven".