82838568907 has 4 divisors (see below), whose sum is σ = 86440245840. Its totient is φ = 79236891976.

The previous prime is 82838568887. The next prime is 82838568961. The reversal of 82838568907 is 70986583828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82838568907 - 2¹¹ = 82838566859 is a prime.

It is a super-4 number, since 4×82838568907⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82838568607) 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 3 ways as a sum of consecutive naturals, for example, 1800838432 + ... + 1800838477.

It is an arithmetic number, because the mean of its divisors is an integer number (21610061460).

Almost surely, 2^82838568907 is an apocalyptic number.

82838568907 is a deficient number, since it is larger than the sum of its proper divisors (3601676933).

82838568907 is a wasteful number, since it uses less digits than its factorization.

82838568907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601676932.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 82838568907 in words is "eighty-two billion, eight hundred thirty-eight million, five hundred sixty-eight thousand, nine hundred seven".