83490191876355 has 48 divisors (see below), whose sum is σ = 146840571656352. Its totient is φ = 40477822950400.

The previous prime is 83490191876309. The next prime is 83490191876363. The reversal of 83490191876355 is 55367819109438.

It is not a de Polignac number, because 83490191876355 - 2¹⁰ = 83490191875331 is a prime.

It is a super-2 number, since 2×83490191876355² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83490191876355.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 31311115 + ... + 33872795.

It is an arithmetic number, because the mean of its divisors is an integer number (3059178576174).

Almost surely, 2^{83490191876355} is an apocalyptic number.

83490191876355 is a deficient number, since it is larger than the sum of its proper divisors (63350379779997).

83490191876355 is a wasteful number, since it uses less digits than its factorization.

83490191876355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579668 (or 2579657 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 69.

The spelling of 83490191876355 in words is "eighty-three trillion, four hundred ninety billion, one hundred ninety-one million, eight hundred seventy-six thousand, three hundred fifty-five".