83817340503 has 16 divisors (see below), whose sum is σ = 120358350336. Its totient is φ = 51577653600.

The previous prime is 83817340489. The next prime is 83817340553. The reversal of 83817340503 is 30504371838.

It is not a de Polignac number, because 83817340503 - 2¹⁶ = 83817274967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83817340553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539126 + ... + 1592652.

It is an arithmetic number, because the mean of its divisors is an integer number (7522396896).

Almost surely, 2^83817340503 is an apocalyptic number.

83817340503 is a deficient number, since it is larger than the sum of its proper divisors (36541009833).

83817340503 is a wasteful number, since it uses less digits than its factorization.

83817340503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93694.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 83817340503 in words is "eighty-three billion, eight hundred seventeen million, three hundred forty thousand, five hundred three".