2678869725 has 48 divisors (see below), whose sum is σ = 5073960960. Its totient is φ = 1221681600.

The previous prime is 2678869723. The next prime is 2678869759. The reversal of 2678869725 is 5279688762.

It is not a de Polignac number, because 2678869725 - 2¹ = 2678869723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678869723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220356 + ... + 232194.

It is an arithmetic number, because the mean of its divisors is an integer number (105707520).

Almost surely, 2^2678869725 is an apocalyptic number.

2678869725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2678869725 is a deficient number, since it is larger than the sum of its proper divisors (2395091235).

2678869725 is a wasteful number, since it uses less digits than its factorization.

2678869725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12290 (or 12285 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The square root of 2678869725 is about 51757.7986877340. The cubic root of 2678869725 is about 1388.8346122849.

The spelling of 2678869725 in words is "two billion, six hundred seventy-eight million, eight hundred sixty-nine thousand, seven hundred twenty-five".