83503683471855 has 64 divisors (see below), whose sum is σ = 140979732480000. Its totient is φ = 42088783082112.

The previous prime is 83503683471851. The next prime is 83503683471877. The reversal of 83503683471855 is 55817438630538.

It is not a de Polignac number, because 83503683471855 - 2² = 83503683471851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83503683471851) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 767449746 + ... + 767558544.

It is an arithmetic number, because the mean of its divisors is an integer number (2202808320000).

Almost surely, 2^{83503683471855} is an apocalyptic number.

83503683471855 is a deficient number, since it is larger than the sum of its proper divisors (57476049008145).

83503683471855 is a wasteful number, since it uses less digits than its factorization.

83503683471855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115348.

The product of its (nonzero) digits is 290304000, while the sum is 66.

The spelling of 83503683471855 in words is "eighty-three trillion, five hundred three billion, six hundred eighty-three million, four hundred seventy-one thousand, eight hundred fifty-five".