83073820439 has 8 divisors (see below), whose sum is σ = 84248877600. Its totient is φ = 81898902400.

The previous prime is 83073820397. The next prime is 83073820477. The reversal of 83073820439 is 93402837038.

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

It is a cyclic number.

It is not a de Polignac number, because 83073820439 - 2³² = 78778853143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83073820393 and 83073820402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83073820499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013659 + ... + 2054499.

It is an arithmetic number, because the mean of its divisors is an integer number (10531109700).

Almost surely, 2^83073820439 is an apocalyptic number.

83073820439 is a deficient number, since it is larger than the sum of its proper divisors (1175057161).

83073820439 is a wasteful number, since it uses less digits than its factorization.

83073820439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69561.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 83073820439 in words is "eighty-three billion, seventy-three million, eight hundred twenty thousand, four hundred thirty-nine".