83155766889 has 8 divisors (see below), whose sum is σ = 119403152512. Its totient is φ = 51172779600.

The previous prime is 83155766879. The next prime is 83155766923. The reversal of 83155766889 is 98866755138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83155766889 - 2⁷ = 83155766761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83155766879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066099537 + ... + 1066099614.

It is an arithmetic number, because the mean of its divisors is an integer number (14925394064).

Almost surely, 2^83155766889 is an apocalyptic number.

It is an amenable number.

83155766889 is a deficient number, since it is larger than the sum of its proper divisors (36247385623).

83155766889 is a wasteful number, since it uses less digits than its factorization.

83155766889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132199167.

The product of its digits is 87091200, while the sum is 66.

The spelling of 83155766889 in words is "eighty-three billion, one hundred fifty-five million, seven hundred sixty-six thousand, eight hundred eighty-nine".