83758342505 has 16 divisors (see below), whose sum is σ = 103934902464. Its totient is φ = 64761153600.

The previous prime is 83758342489. The next prime is 83758342543. The reversal of 83758342505 is 50524385738.

It is not a de Polignac number, because 83758342505 - 2⁴ = 83758342489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340971 + ... + 2376480.

It is an arithmetic number, because the mean of its divisors is an integer number (6495931404).

Almost surely, 2^83758342505 is an apocalyptic number.

It is an amenable number.

83758342505 is a deficient number, since it is larger than the sum of its proper divisors (20176559959).

83758342505 is a wasteful number, since it uses less digits than its factorization.

83758342505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717576.

The product of its (nonzero) digits is 4032000, while the sum is 50.

It can be divided in two parts, 837583 and 42505, that added together give a palindrome (880088).

The spelling of 83758342505 in words is "eighty-three billion, seven hundred fifty-eight million, three hundred forty-two thousand, five hundred five".