27802270243 has 8 divisors (see below), whose sum is σ = 30497319216. Its totient is φ = 25135149600.

The previous prime is 27802270231. The next prime is 27802270247. The reversal of 27802270243 is 34207220872.

It is a happy number.

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

It is not a de Polignac number, because 27802270243 - 2²¹ = 27800173091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27802270247) 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, 6979996 + ... + 6983977.

It is an arithmetic number, because the mean of its divisors is an integer number (3812164902).

Almost surely, 2^27802270243 is an apocalyptic number.

27802270243 is a deficient number, since it is larger than the sum of its proper divisors (2695048973).

27802270243 is a wasteful number, since it uses less digits than its factorization.

27802270243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964165.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 27802270243 in words is "twenty-seven billion, eight hundred two million, two hundred seventy thousand, two hundred forty-three".