2861126678 has 8 divisors (see below), whose sum is σ = 4292995368. Its totient is φ = 1430128224.

The previous prime is 2861126677. The next prime is 2861126693. The reversal of 2861126678 is 8766211682.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861126677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209276 + ... + 222527.

It is an arithmetic number, because the mean of its divisors is an integer number (536624421).

Almost surely, 2^2861126678 is an apocalyptic number.

2861126678 is a deficient number, since it is larger than the sum of its proper divisors (1431868690).

2861126678 is a wasteful number, since it uses less digits than its factorization.

2861126678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435118.

The product of its digits is 387072, while the sum is 47.

The square root of 2861126678 is about 53489.5006333019. The cubic root of 2861126678 is about 1419.6426195125.

The spelling of 2861126678 in words is "two billion, eight hundred sixty-one million, one hundred twenty-six thousand, six hundred seventy-eight".