82825807830 has 16 divisors (see below), whose sum is σ = 198781938864. Its totient is φ = 22086882080.

The previous prime is 82825807787. The next prime is 82825807837. The reversal of 82825807830 is 3870852828.

It is a super-2 number, since 2×82825807830² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82825807837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380430101 + ... + 1380430160.

It is an arithmetic number, because the mean of its divisors is an integer number (12423871179).

Almost surely, 2^82825807830 is an apocalyptic number.

82825807830 is an abundant number, since it is smaller than the sum of its proper divisors (115956131034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82825807830 is a wasteful number, since it uses less digits than its factorization.

82825807830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760860271.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 82825807830 in words is "eighty-two billion, eight hundred twenty-five million, eight hundred seven thousand, eight hundred thirty".