83333425778 has 32 divisors (see below), whose sum is σ = 129221843520. Its totient is φ = 40280224320.

The previous prime is 83333425753. The next prime is 83333425783. The reversal of 83333425778 is 87752433338.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9566501 + ... + 9575207.

It is an arithmetic number, because the mean of its divisors is an integer number (4038182610).

Almost surely, 2^83333425778 is an apocalyptic number.

83333425778 is a deficient number, since it is larger than the sum of its proper divisors (45888417742).

83333425778 is a wasteful number, since it uses less digits than its factorization.

83333425778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882.

The product of its digits is 10160640, while the sum is 53.

The spelling of 83333425778 in words is "eighty-three billion, three hundred thirty-three million, four hundred twenty-five thousand, seven hundred seventy-eight".