83385208894069 has 16 divisors (see below), whose sum is σ = 88751613906880. Its totient is φ = 78121344188160.

The previous prime is 83385208894003. The next prime is 83385208894081. The reversal of 83385208894069 is 96049880258338.

It is a cyclic number.

It is not a de Polignac number, because 83385208894069 - 2¹⁵ = 83385208861301 is a prime.

It is a super-2 number, since 2×83385208894069² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83385208893992 and 83385208894010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83385208894369) 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, 65611044 + ... + 66869869.

It is an arithmetic number, because the mean of its divisors is an integer number (5546975869180).

Almost surely, 2^{83385208894069} is an apocalyptic number.

It is an amenable number.

83385208894069 is a deficient number, since it is larger than the sum of its proper divisors (5366405012811).

83385208894069 is a wasteful number, since it uses less digits than its factorization.

83385208894069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132481300.

The product of its (nonzero) digits is 716636160, while the sum is 73.

The spelling of 83385208894069 in words is "eighty-three trillion, three hundred eighty-five billion, two hundred eight million, eight hundred ninety-four thousand, sixty-nine".