2861358878 has 8 divisors (see below), whose sum is σ = 4905186672. Its totient is φ = 1226296656.

The previous prime is 2861358833. The next prime is 2861358923. The reversal of 2861358878 is 8788531682.

It is an interprime number because it is at equal distance from previous prime (2861358833) and next prime (2861358923).

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, 102191375 + ... + 102191402.

It is an arithmetic number, because the mean of its divisors is an integer number (613148334).

Almost surely, 2^2861358878 is an apocalyptic number.

2861358878 is a deficient number, since it is larger than the sum of its proper divisors (2043827794).

2861358878 is a wasteful number, since it uses less digits than its factorization.

2861358878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204382786.

The product of its digits is 5160960, while the sum is 56.

The square root of 2861358878 is about 53491.6711086876. The cubic root of 2861358878 is about 1419.6810230432.

The spelling of 2861358878 in words is "two billion, eight hundred sixty-one million, three hundred fifty-eight thousand, eight hundred seventy-eight".