27797947005 has 32 divisors (see below), whose sum is σ = 45753865344. Its totient is φ = 14401172736.

The previous prime is 27797946961. The next prime is 27797947027. The reversal of 27797947005 is 50074979772.

It is not a de Polignac number, because 27797947005 - 2¹³ = 27797938813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299362 + ... + 381068.

It is an arithmetic number, because the mean of its divisors is an integer number (1429808292).

Almost surely, 2^27797947005 is an apocalyptic number.

It is an amenable number.

27797947005 is a deficient number, since it is larger than the sum of its proper divisors (17955918339).

27797947005 is a wasteful number, since it uses less digits than its factorization.

27797947005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82365.

The product of its (nonzero) digits is 7779240, while the sum is 57.

The spelling of 27797947005 in words is "twenty-seven billion, seven hundred ninety-seven million, nine hundred forty-seven thousand, five".