2756866625 has 16 divisors (see below), whose sum is σ = 3642958800. Its totient is φ = 2075756800.

The previous prime is 2756866601. The next prime is 2756866631. The reversal of 2756866625 is 5266686572.

It can be written as a sum of positive squares in 8 ways, for example, as 99361024 + 2657505601 = 9968^2 + 51551^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2756866625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646550 + ... + 650799.

It is an arithmetic number, because the mean of its divisors is an integer number (227684925).

Almost surely, 2^2756866625 is an apocalyptic number.

2756866625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2756866625 is a deficient number, since it is larger than the sum of its proper divisors (886092175).

2756866625 is a wasteful number, since it uses less digits than its factorization.

2756866625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297381 (or 1297371 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 53.

The square root of 2756866625 is about 52505.8722906305. The cubic root of 2756866625 is about 1402.1847902510.

The spelling of 2756866625 in words is "two billion, seven hundred fifty-six million, eight hundred sixty-six thousand, six hundred twenty-five".