8542332457 has 16 divisors (see below), whose sum is σ = 9088918272. Its totient is φ = 8011206720.

The previous prime is 8542332437. The next prime is 8542332511. The reversal of 8542332457 is 7542332458.

It is a cyclic number.

It is not a de Polignac number, because 8542332457 - 2¹¹ = 8542330409 is a prime.

It is a super-4 number, since 4×8542332457⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8542332427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435148 + ... + 454354.

It is an arithmetic number, because the mean of its divisors is an integer number (568057392).

Almost surely, 2^8542332457 is an apocalyptic number.

It is an amenable number.

8542332457 is a deficient number, since it is larger than the sum of its proper divisors (546585815).

8542332457 is a wasteful number, since it uses less digits than its factorization.

8542332457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19608.

The product of its digits is 806400, while the sum is 43.

The square root of 8542332457 is about 92424.7394207850. The cubic root of 8542332457 is about 2044.2099124859.

Subtracting from 8542332457 its reverse (7542332458), we obtain a palindrome (999999999).

The spelling of 8542332457 in words is "eight billion, five hundred forty-two million, three hundred thirty-two thousand, four hundred fifty-seven".