27806682630 has 32 divisors (see below), whose sum is σ = 66777324768. Its totient is φ = 7410528000.

The previous prime is 27806682601. The next prime is 27806682637. The reversal of 27806682630 is 3628660872.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27806682630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27806682637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237271 + ... + 334530.

It is an arithmetic number, because the mean of its divisors is an integer number (2086791399).

Almost surely, 2^27806682630 is an apocalyptic number.

27806682630 is an abundant number, since it is smaller than the sum of its proper divisors (38970642138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27806682630 is a wasteful number, since it uses less digits than its factorization.

27806682630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573432.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 27806682630 in words is "twenty-seven billion, eight hundred six million, six hundred eighty-two thousand, six hundred thirty".