812465471 has 8 divisors (see below), whose sum is σ = 832782384. Its totient is φ = 792172480.

The previous prime is 812465447. The next prime is 812465473. The reversal of 812465471 is 174564218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-812465471 is a prime.

It is a super-3 number, since 3×812465471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812465473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76916 + ... + 86838.

It is an arithmetic number, because the mean of its divisors is an integer number (104097798).

Almost surely, 2^812465471 is an apocalyptic number.

812465471 is a deficient number, since it is larger than the sum of its proper divisors (20316913).

812465471 is a wasteful number, since it uses less digits than its factorization.

812465471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961.

The product of its digits is 53760, while the sum is 38.

The square root of 812465471 is about 28503.7799423164. The cubic root of 812465471 is about 933.1145705681.

The spelling of 812465471 in words is "eight hundred twelve million, four hundred sixty-five thousand, four hundred seventy-one".