82854128769 has 8 divisors (see below), whose sum is σ = 113166615072. Its totient is φ = 53888864160.

The previous prime is 82854128737. The next prime is 82854128771. The reversal of 82854128769 is 96782145828.

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

It is not a de Polignac number, because 82854128769 - 2⁵ = 82854128737 is a prime.

It is a super-2 number, since 2×82854128769² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82854128719) 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, 336805279 + ... + 336805524.

It is an arithmetic number, because the mean of its divisors is an integer number (14145826884).

Almost surely, 2^82854128769 is an apocalyptic number.

It is an amenable number.

82854128769 is a deficient number, since it is larger than the sum of its proper divisors (30312486303).

82854128769 is a wasteful number, since it uses less digits than its factorization.

82854128769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673610847.

The product of its digits is 15482880, while the sum is 60.

The spelling of 82854128769 in words is "eighty-two billion, eight hundred fifty-four million, one hundred twenty-eight thousand, seven hundred sixty-nine".