8542577469 has 16 divisors (see below), whose sum is σ = 12062589120. Its totient is φ = 5358946560.

The previous prime is 8542577467. The next prime is 8542577497. The reversal of 8542577469 is 9647752458.

It is a happy number.

It is not a de Polignac number, because 8542577469 - 2¹ = 8542577467 is a prime.

It is a super-2 number, since 2×8542577469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542577467) 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, 284622 + ... + 313200.

It is an arithmetic number, because the mean of its divisors is an integer number (753911820).

Almost surely, 2^8542577469 is an apocalyptic number.

It is an amenable number.

8542577469 is a deficient number, since it is larger than the sum of its proper divisors (3520011651).

8542577469 is a wasteful number, since it uses less digits than its factorization.

8542577469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34460.

The product of its digits is 16934400, while the sum is 57.

The square root of 8542577469 is about 92426.0648789074. The cubic root of 8542577469 is about 2044.2294563741.

The spelling of 8542577469 in words is "eight billion, five hundred forty-two million, five hundred seventy-seven thousand, four hundred sixty-nine".