27219680238 has 32 divisors (see below), whose sum is σ = 55694760192. Its totient is φ = 8866256000.

The previous prime is 27219680209. The next prime is 27219680239. The reversal of 27219680238 is 83208691272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27219680239) 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, 234588 + ... + 330863.

It is an arithmetic number, because the mean of its divisors is an integer number (1740461256).

Almost surely, 2^27219680238 is an apocalyptic number.

27219680238 is an abundant number, since it is smaller than the sum of its proper divisors (28475079954).

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

27219680238 is a wasteful number, since it uses less digits than its factorization.

27219680238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565640.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 27219680238 in words is "twenty-seven billion, two hundred nineteen million, six hundred eighty thousand, two hundred thirty-eight".