83758539425 has 24 divisors (see below), whose sum is σ = 113606359680. Its totient is φ = 60751915200.

The previous prime is 83758539391. The next prime is 83758539427. The reversal of 83758539425 is 52493585738.

It is a de Polignac number, because none of the positive numbers 2^k-83758539425 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (83758539427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305705 + ... + 510854.

It is an arithmetic number, because the mean of its divisors is an integer number (4733598320).

Almost surely, 2^83758539425 is an apocalyptic number.

It is an amenable number.

83758539425 is a deficient number, since it is larger than the sum of its proper divisors (29847820255).

83758539425 is a wasteful number, since it uses less digits than its factorization.

83758539425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816953 (or 816948 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 59.

The spelling of 83758539425 in words is "eighty-three billion, seven hundred fifty-eight million, five hundred thirty-nine thousand, four hundred twenty-five".