83359289890 has 16 divisors (see below), whose sum is σ = 151141955832. Its totient is φ = 33100330624.

The previous prime is 83359289879. The next prime is 83359289899. The reversal of 83359289890 is 9898295338.

It can be written as a sum of positive squares in 4 ways, for example, as 67916008449 + 15443281441 = 260607^2 + 124271^2 .

It is a super-3 number, since 3×83359289890³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (83359289899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30421729 + ... + 30424468.

Almost surely, 2^83359289890 is an apocalyptic number.

83359289890 is a deficient number, since it is larger than the sum of its proper divisors (67782665942).

83359289890 is a wasteful number, since it uses less digits than its factorization.

83359289890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60846341.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 83359289890 in words is "eighty-three billion, three hundred fifty-nine million, two hundred eighty-nine thousand, eight hundred ninety".