475820791 has 2 divisors, whose sum is σ = 475820792. Its totient is φ = 475820790.

The previous prime is 475820731. The next prime is 475820827. The reversal of 475820791 is 197028574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475820791 - 2¹¹ = 475818743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475820731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237910395 + 237910396.

It is an arithmetic number, because the mean of its divisors is an integer number (237910396).

Almost surely, 2^475820791 is an apocalyptic number.

475820791 is a deficient number, since it is larger than the sum of its proper divisors (1).

475820791 is an equidigital number, since it uses as much as digits as its factorization.

475820791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 475820791 is about 21813.3168271127. The cubic root of 475820791 is about 780.6945331495.

The spelling of 475820791 in words is "four hundred seventy-five million, eight hundred twenty thousand, seven hundred ninety-one".