27284278801 has 8 divisors (see below), whose sum is σ = 29384362280. Its totient is φ = 25184380032.

The previous prime is 27284278783. The next prime is 27284278831. The reversal of 27284278801 is 10887248272.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3893635201 + 23390643600 = 62399^2 + 152940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27284278801 - 2¹³ = 27284270609 is a prime.

It is a super-4 number, since 4×27284278801⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (27284278831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499621 + ... + 551533.

It is an arithmetic number, because the mean of its divisors is an integer number (3673045285).

Almost surely, 2^27284278801 is an apocalyptic number.

It is an amenable number.

27284278801 is a deficient number, since it is larger than the sum of its proper divisors (2100083479).

27284278801 is a wasteful number, since it uses less digits than its factorization.

27284278801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92355.

The product of its (nonzero) digits is 802816, while the sum is 49.

The spelling of 27284278801 in words is "twenty-seven billion, two hundred eighty-four million, two hundred seventy-eight thousand, eight hundred one".