471662897 has 4 divisors (see below), whose sum is σ = 496487280. Its totient is φ = 446838516.

The previous prime is 471662881. The next prime is 471662929. The reversal of 471662897 is 798266174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798266174 = 2 ⋅399133087.

It is a cyclic number.

It is not a de Polignac number, because 471662897 - 2⁴ = 471662881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471662837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12412163 + ... + 12412200.

It is an arithmetic number, because the mean of its divisors is an integer number (124121820).

Almost surely, 2^471662897 is an apocalyptic number.

It is an amenable number.

471662897 is a deficient number, since it is larger than the sum of its proper divisors (24824383).

471662897 is a wasteful number, since it uses less digits than its factorization.

471662897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24824382.

The product of its digits is 1016064, while the sum is 50.

The square root of 471662897 is about 21717.8013850390. The cubic root of 471662897 is about 778.4138801634.

The spelling of 471662897 in words is "four hundred seventy-one million, six hundred sixty-two thousand, eight hundred ninety-seven".