2771725538 has 16 divisors (see below), whose sum is σ = 4339486656. Its totient is φ = 1325261520.

The previous prime is 2771725499. The next prime is 2771725549. The reversal of 2771725538 is 8355271772.

It is a junction number, because it is equal to n+sod(n) for n = 2771725492 and 2771725501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297308 + ... + 306488.

It is an arithmetic number, because the mean of its divisors is an integer number (271217916).

Almost surely, 2^2771725538 is an apocalyptic number.

2771725538 is a deficient number, since it is larger than the sum of its proper divisors (1567761118).

2771725538 is a wasteful number, since it uses less digits than its factorization.

2771725538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15769.

The product of its digits is 823200, while the sum is 47.

The square root of 2771725538 is about 52647.1797725196. The cubic root of 2771725538 is about 1404.6994351215.

The spelling of 2771725538 in words is "two billion, seven hundred seventy-one million, seven hundred twenty-five thousand, five hundred thirty-eight".