83854239086 has 16 divisors (see below), whose sum is σ = 131267741184. Its totient is φ = 40098815064.

The previous prime is 83854239059. The next prime is 83854239113. The reversal of 83854239086 is 68093245838.

It is an interprime number because it is at equal distance from previous prime (83854239059) and next prime (83854239113).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235031 + ... + 472173.

It is an arithmetic number, because the mean of its divisors is an integer number (8204233824).

Almost surely, 2^83854239086 is an apocalyptic number.

83854239086 is a deficient number, since it is larger than the sum of its proper divisors (47413502098).

83854239086 is a wasteful number, since it uses less digits than its factorization.

83854239086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244855.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 83854239086 in words is "eighty-three billion, eight hundred fifty-four million, two hundred thirty-nine thousand, eighty-six".