2102704878 has 8 divisors (see below), whose sum is σ = 4205409768. Its totient is φ = 700901624.

The previous prime is 2102704861. The next prime is 2102704889. The reversal of 2102704878 is 8784072012.

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

2102704878 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175225401 + ... + 175225412.

It is an arithmetic number, because the mean of its divisors is an integer number (525676221).

Almost surely, 2^2102704878 is an apocalyptic number.

2102704878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102704878 is a wasteful number, since it uses less digits than its factorization.

2102704878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350450818.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 2102704878 is about 45855.2600908554. The cubic root of 2102704878 is about 1281.1287402735.

The spelling of 2102704878 in words is "two billion, one hundred two million, seven hundred four thousand, eight hundred seventy-eight".