472818487 has 2 divisors, whose sum is σ = 472818488. Its totient is φ = 472818486.

The previous prime is 472818473. The next prime is 472818499. The reversal of 472818487 is 784818274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472818487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472818487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472818427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236409243 + 236409244.

It is an arithmetic number, because the mean of its divisors is an integer number (236409244).

Almost surely, 2^472818487 is an apocalyptic number.

472818487 is a deficient number, since it is larger than the sum of its proper divisors (1).

472818487 is an equidigital number, since it uses as much as digits as its factorization.

472818487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 802816, while the sum is 49.

The square root of 472818487 is about 21744.3897821944. The cubic root of 472818487 is about 779.0490751128.

The spelling of 472818487 in words is "four hundred seventy-two million, eight hundred eighteen thousand, four hundred eighty-seven".