871456572453 has 8 divisors (see below), whose sum is σ = 1161946810816. Its totient is φ = 580968691200.

The previous prime is 871456572451. The next prime is 871456572499. The reversal of 871456572453 is 354275654178.

It is a happy number.

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

It is not a de Polignac number, because 871456572453 - 2¹ = 871456572451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871456572393 and 871456572402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871456572451) 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, 639333 + ... + 1466853.

It is an arithmetic number, because the mean of its divisors is an integer number (145243351352).

Almost surely, 2^871456572453 is an apocalyptic number.

It is an amenable number.

871456572453 is a deficient number, since it is larger than the sum of its proper divisors (290490238363).

871456572453 is a wasteful number, since it uses less digits than its factorization.

871456572453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178555.

The product of its digits is 28224000, while the sum is 57.

The spelling of 871456572453 in words is "eight hundred seventy-one billion, four hundred fifty-six million, five hundred seventy-two thousand, four hundred fifty-three".