83425394866 has 32 divisors (see below), whose sum is σ = 144505944000. Its totient is φ = 35761548480.

The previous prime is 83425394861. The next prime is 83425394867. The reversal of 83425394866 is 66849352438.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 83425394866.

It is not an unprimeable number, because it can be changed into a prime (83425394861) 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, 1493041 + ... + 1547908.

It is an arithmetic number, because the mean of its divisors is an integer number (4515810750).

Almost surely, 2^83425394866 is an apocalyptic number.

83425394866 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

83425394866 is a deficient number, since it is larger than the sum of its proper divisors (61080549134).

83425394866 is a wasteful number, since it uses less digits than its factorization.

83425394866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041034.

The product of its digits is 29859840, while the sum is 58.

The spelling of 83425394866 in words is "eighty-three billion, four hundred twenty-five million, three hundred ninety-four thousand, eight hundred sixty-six".