871465493 has 8 divisors (see below), whose sum is σ = 890440320. Its totient is φ = 852508800.

The previous prime is 871465453. The next prime is 871465499. The reversal of 871465493 is 394564178.

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

It is a cyclic number.

It is not a de Polignac number, because 871465493 - 2²⁶ = 804356629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871465499) 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, 146018 + ... + 151868.

It is an arithmetic number, because the mean of its divisors is an integer number (111305040).

Almost surely, 2^871465493 is an apocalyptic number.

It is an amenable number.

871465493 is a deficient number, since it is larger than the sum of its proper divisors (18974827).

871465493 is a wasteful number, since it uses less digits than its factorization.

871465493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067.

The product of its digits is 725760, while the sum is 47.

The square root of 871465493 is about 29520.5943876474. The cubic root of 871465493 is about 955.1759927106.

The spelling of 871465493 in words is "eight hundred seventy-one million, four hundred sixty-five thousand, four hundred ninety-three".