2678801155 has 8 divisors (see below), whose sum is σ = 3235850784. Its totient is φ = 2128848000.

The previous prime is 2678801149. The next prime is 2678801159. The reversal of 2678801155 is 5511088762.

2678801155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2678801155 - 2⁵ = 2678801123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2678801159) 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, 1773286 + ... + 1774795.

It is an arithmetic number, because the mean of its divisors is an integer number (404481348).

Almost surely, 2^2678801155 is an apocalyptic number.

2678801155 is a deficient number, since it is larger than the sum of its proper divisors (557049629).

2678801155 is a wasteful number, since it uses less digits than its factorization.

2678801155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548237.

The product of its (nonzero) digits is 134400, while the sum is 43.

The square root of 2678801155 is about 51757.1362712428. The cubic root of 2678801155 is about 1388.8227623616.

The spelling of 2678801155 in words is "two billion, six hundred seventy-eight million, eight hundred one thousand, one hundred fifty-five".