82354266399 has 16 divisors (see below), whose sum is σ = 111894180192. Its totient is φ = 53858907648.

The previous prime is 82354266383. The next prime is 82354266403. The reversal of 82354266399 is 99366245328.

It is a happy number.

It is not a de Polignac number, because 82354266399 - 2⁴ = 82354266383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82354266329) 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, 1144387 + ... + 1214219.

It is an arithmetic number, because the mean of its divisors is an integer number (6993386262).

Almost surely, 2^82354266399 is an apocalyptic number.

82354266399 is a deficient number, since it is larger than the sum of its proper divisors (29539913793).

82354266399 is a wasteful number, since it uses less digits than its factorization.

82354266399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77306.

The product of its digits is 16796160, while the sum is 57.

The spelling of 82354266399 in words is "eighty-two billion, three hundred fifty-four million, two hundred sixty-six thousand, three hundred ninety-nine".