2725256878 has 16 divisors (see below), whose sum is σ = 4146659856. Its totient is φ = 1343062080.

The previous prime is 2725256861. The next prime is 2725256879. The reversal of 2725256878 is 8786525272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725256879) 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, 247633 + ... + 258403.

It is an arithmetic number, because the mean of its divisors is an integer number (259166241).

Almost surely, 2^2725256878 is an apocalyptic number.

2725256878 is a deficient number, since it is larger than the sum of its proper divisors (1421402978).

2725256878 is a wasteful number, since it uses less digits than its factorization.

2725256878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12579.

The product of its digits is 3763200, while the sum is 52.

The square root of 2725256878 is about 52203.9929315756. The cubic root of 2725256878 is about 1396.8051088140.

The spelling of 2725256878 in words is "two billion, seven hundred twenty-five million, two hundred fifty-six thousand, eight hundred seventy-eight".