83025338791 has 4 divisors (see below), whose sum is σ = 83153662992. Its totient is φ = 82897014592.

The previous prime is 83025338771. The next prime is 83025338807. The reversal of 83025338791 is 19783352038.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83025338791 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83025338771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64161130 + ... + 64162423.

It is an arithmetic number, because the mean of its divisors is an integer number (20788415748).

Almost surely, 2^83025338791 is an apocalyptic number.

83025338791 is a deficient number, since it is larger than the sum of its proper divisors (128324201).

83025338791 is a wasteful number, since it uses less digits than its factorization.

83025338791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128324200.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 83025338791 in words is "eighty-three billion, twenty-five million, three hundred thirty-eight thousand, seven hundred ninety-one".