82857123453 has 48 divisors (see below), whose sum is σ = 121326809856. Its totient is φ = 50269040640.

The previous prime is 82857123451. The next prime is 82857123457. The reversal of 82857123453 is 35432175828.

It is not a de Polignac number, because 82857123453 - 2¹ = 82857123451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82857123451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13324401 + ... + 13330617.

It is an arithmetic number, because the mean of its divisors is an integer number (2527641872).

Almost surely, 2^82857123453 is an apocalyptic number.

It is an amenable number.

82857123453 is a deficient number, since it is larger than the sum of its proper divisors (38469686403).

82857123453 is a wasteful number, since it uses less digits than its factorization.

82857123453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614 (or 6601 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 82857123453 in words is "eighty-two billion, eight hundred fifty-seven million, one hundred twenty-three thousand, four hundred fifty-three".