854567765459 has 16 divisors (see below), whose sum is σ = 874249085952. Its totient is φ = 835020028128.

The previous prime is 854567765437. The next prime is 854567765533. The reversal of 854567765459 is 954567765458.

It is a cyclic number.

It is not a de Polignac number, because 854567765459 - 2³² = 850272798163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 854567765392 and 854567765401.

It is not an unprimeable number, because it can be changed into a prime (854567765059) 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, 69228842 + ... + 69241184.

It is an arithmetic number, because the mean of its divisors is an integer number (54640567872).

Almost surely, 2^854567765459 is an apocalyptic number.

854567765459 is a deficient number, since it is larger than the sum of its proper divisors (19681320493).

854567765459 is a wasteful number, since it uses less digits than its factorization.

854567765459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626.

The product of its digits is 1270080000, while the sum is 71.

Subtracting 854567765459 from its reverse (954567765458), we obtain a palindrome (99999999999).

The spelling of 854567765459 in words is "eight hundred fifty-four billion, five hundred sixty-seven million, seven hundred sixty-five thousand, four hundred fifty-nine".