83847208879 has 8 divisors (see below), whose sum is σ = 96459987968. Its totient is φ = 71393081400.

The previous prime is 83847208789. The next prime is 83847208889. The reversal of 83847208879 is 97880274838.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83847208879 - 2²⁷ = 83712991151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83847208879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83847208889) 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, 39661767 + ... + 39663880.

It is an arithmetic number, because the mean of its divisors is an integer number (12057498496).

Almost surely, 2^83847208879 is an apocalyptic number.

83847208879 is a deficient number, since it is larger than the sum of its proper divisors (12612779089).

83847208879 is a wasteful number, since it uses less digits than its factorization.

83847208879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79325805.

The product of its (nonzero) digits is 43352064, while the sum is 64.

The spelling of 83847208879 in words is "eighty-three billion, eight hundred forty-seven million, two hundred eight thousand, eight hundred seventy-nine".