27774797232401 has 4 divisors (see below), whose sum is σ = 27775993980900. Its totient is φ = 27773600483904.

The previous prime is 27774797232383. The next prime is 27774797232421. The reversal of 27774797232401 is 10423279747772.

It is a Cunningham number, because it is equal to 5270180²+1.

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 20643755731600 + 7131041500801 = 4543540^2 + 2670401^2 .

It is a cyclic number.

It is not a de Polignac number, because 27774797232401 - 2¹⁴ = 27774797216017 is a prime.

It is a super-2 number, since 2×27774797232401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27774797232421) 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, 598339436 + ... + 598385853.

It is an arithmetic number, because the mean of its divisors is an integer number (6943998495225).

Almost surely, 2^{27774797232401} is an apocalyptic number.

It is an amenable number.

27774797232401 is a deficient number, since it is larger than the sum of its proper divisors (1196748499).

27774797232401 is a wasteful number, since it uses less digits than its factorization.

27774797232401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196748498.

The product of its (nonzero) digits is 58084992, while the sum is 62.

The spelling of 27774797232401 in words is "twenty-seven trillion, seven hundred seventy-four billion, seven hundred ninety-seven million, two hundred thirty-two thousand, four hundred one".