2102783879 has 8 divisors (see below), whose sum is σ = 2403649920. Its totient is φ = 1802034936.

The previous prime is 2102783869. The next prime is 2102783911. The reversal of 2102783879 is 9783872012.

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 2102783879 - 2⁴ = 2102783863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102783849) 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, 13352 + ... + 66210.

It is an arithmetic number, because the mean of its divisors is an integer number (300456240).

Almost surely, 2^2102783879 is an apocalyptic number.

2102783879 is a deficient number, since it is larger than the sum of its proper divisors (300866041).

2102783879 is an equidigital number, since it uses as much as digits as its factorization.

2102783879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58549.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 2102783879 is about 45856.1214997518. The cubic root of 2102783879 is about 1281.1447845577.

The spelling of 2102783879 in words is "two billion, one hundred two million, seven hundred eighty-three thousand, eight hundred seventy-nine".