27866960356 has 81 divisors (see below), whose sum is σ = 54087210723. Its totient is φ = 12560114160.

The previous prime is 27866960351. The next prime is 27866960357. The reversal of 27866960356 is 65306966872.

It is a happy number.

The square root of 27866960356 is 166934.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27866960356.

It is not an unprimeable number, because it can be changed into a prime (27866960351) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 145900221 + ... + 145900411.

Almost surely, 2^27866960356 is an apocalyptic number.

27866960356 is the 166934-th square number.

It is an amenable number.

27866960356 is a deficient number, since it is larger than the sum of its proper divisors (26220250367).

27866960356 is a wasteful number, since it uses less digits than its factorization.

27866960356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 27866960356 in words is "twenty-seven billion, eight hundred sixty-six million, nine hundred sixty thousand, three hundred fifty-six".