83725831399 has 8 divisors (see below), whose sum is σ = 95704365440. Its totient is φ = 71751722616.

The previous prime is 83725831391. The next prime is 83725831403. The reversal of 83725831399 is 99313852738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83725831399 - 2³ = 83725831391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83725831391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065669 + ... + 1141534.

It is an arithmetic number, because the mean of its divisors is an integer number (11963045680).

Almost surely, 2^83725831399 is an apocalyptic number.

83725831399 is a deficient number, since it is larger than the sum of its proper divisors (11978534041).

83725831399 is a wasteful number, since it uses less digits than its factorization.

83725831399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212629.

The product of its digits is 9797760, while the sum is 58.

The spelling of 83725831399 in words is "eighty-three billion, seven hundred twenty-five million, eight hundred thirty-one thousand, three hundred ninety-nine".