83775133841018 has 16 divisors (see below), whose sum is σ = 129220921040904. Its totient is φ = 40704334390080.

The previous prime is 83775133840991. The next prime is 83775133841089. The reversal of 83775133841018 is 81014833157738.

It can be written as a sum of positive squares in 4 ways, for example, as 83682116770849 + 93017070169 = 9147793^2 + 304987^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710164613 + ... + 710282568.

Almost surely, 2^{83775133841018} is an apocalyptic number.

83775133841018 is a deficient number, since it is larger than the sum of its proper divisors (45445787199886).

83775133841018 is a wasteful number, since it uses less digits than its factorization.

83775133841018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420448017.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 83775133841018 in words is "eighty-three trillion, seven hundred seventy-five billion, one hundred thirty-three million, eight hundred forty-one thousand, eighteen".