471287899 has 2 divisors, whose sum is σ = 471287900. Its totient is φ = 471287898.

The previous prime is 471287881. The next prime is 471287939. The reversal of 471287899 is 998782174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471287899 - 2⁷ = 471287771 is a prime.

It is a super-2 number, since 2×471287899² = 444224567487668402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (471287879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235643949 + 235643950.

It is an arithmetic number, because the mean of its divisors is an integer number (235643950).

Almost surely, 2^471287899 is an apocalyptic number.

471287899 is a deficient number, since it is larger than the sum of its proper divisors (1).

471287899 is an equidigital number, since it uses as much as digits as its factorization.

471287899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 55.

The square root of 471287899 is about 21709.1662437782. The cubic root of 471287899 is about 778.2075314878.

The spelling of 471287899 in words is "four hundred seventy-one million, two hundred eighty-seven thousand, eight hundred ninety-nine".