27875829656 has 8 divisors (see below), whose sum is σ = 52267180620. Its totient is φ = 13937914824.

The previous prime is 27875829629. The next prime is 27875829661. The reversal of 27875829656 is 65692857872.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 27875829592 and 27875829601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742239346 + ... + 1742239361.

Almost surely, 2^27875829656 is an apocalyptic number.

It is an amenable number.

27875829656 is a deficient number, since it is larger than the sum of its proper divisors (24391350964).

27875829656 is a wasteful number, since it uses less digits than its factorization.

27875829656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484478713 (or 3484478709 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 65.

The spelling of 27875829656 in words is "twenty-seven billion, eight hundred seventy-five million, eight hundred twenty-nine thousand, six hundred fifty-six".