27207600641 has 4 divisors (see below), whose sum is σ = 29300493012. Its totient is φ = 25114708272.

The previous prime is 27207600631. The next prime is 27207600691. The reversal of 27207600641 is 14600670272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2494503025 + 24713097616 = 49945^2 + 157204^2 .

It is a cyclic number.

It is not a de Polignac number, because 27207600641 - 2⁶ = 27207600577 is a prime.

It is a super-2 number, since 2×27207600641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27207600631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046446166 + ... + 1046446191.

It is an arithmetic number, because the mean of its divisors is an integer number (7325123253).

Almost surely, 2^27207600641 is an apocalyptic number.

It is an amenable number.

27207600641 is a deficient number, since it is larger than the sum of its proper divisors (2092892371).

27207600641 is a wasteful number, since it uses less digits than its factorization.

27207600641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092892370.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 27207600641 in words is "twenty-seven billion, two hundred seven million, six hundred thousand, six hundred forty-one".