477638699 has 2 divisors, whose sum is σ = 477638700. Its totient is φ = 477638698.

The previous prime is 477638687. The next prime is 477638741. The reversal of 477638699 is 996836774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477638699 - 2¹² = 477634603 is a prime.

It is not a weakly prime, because it can be changed into another prime (477638639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238819349 + 238819350.

It is an arithmetic number, because the mean of its divisors is an integer number (238819350).

Almost surely, 2^477638699 is an apocalyptic number.

477638699 is a deficient number, since it is larger than the sum of its proper divisors (1).

477638699 is an equidigital number, since it uses as much as digits as its factorization.

477638699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 59.

The square root of 477638699 is about 21854.9467855678. The cubic root of 477638699 is about 781.6875030980.

The spelling of 477638699 in words is "four hundred seventy-seven million, six hundred thirty-eight thousand, six hundred ninety-nine".