2786132878 has 8 divisors (see below), whose sum is σ = 4229551368. Its totient is φ = 1376282424.

The previous prime is 2786132813. The next prime is 2786132897. The reversal of 2786132878 is 8782316872.

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

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, 8391801 + ... + 8392132.

It is an arithmetic number, because the mean of its divisors is an integer number (528693921).

Almost surely, 2^2786132878 is an apocalyptic number.

2786132878 is a deficient number, since it is larger than the sum of its proper divisors (1443418490).

2786132878 is a wasteful number, since it uses less digits than its factorization.

2786132878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16784018.

The product of its digits is 1806336, while the sum is 52.

The square root of 2786132878 is about 52783.8315964273. The cubic root of 2786132878 is about 1407.1290910084.

The spelling of 2786132878 in words is "two billion, seven hundred eighty-six million, one hundred thirty-two thousand, eight hundred seventy-eight".