27456794869 has 8 divisors (see below), whose sum is σ = 32227280768. Its totient is φ = 22898330640.

The previous prime is 27456794867. The next prime is 27456794917. The reversal of 27456794869 is 96849765472.

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 27456794869 - 2¹ = 27456794867 is a prime.

It is a super-2 number, since 2×27456794869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27456794861) 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, 53005137 + ... + 53005654.

It is an arithmetic number, because the mean of its divisors is an integer number (4028410096).

Almost surely, 2^27456794869 is an apocalyptic number.

It is an amenable number.

27456794869 is a deficient number, since it is larger than the sum of its proper divisors (4770485899).

27456794869 is a wasteful number, since it uses less digits than its factorization.

27456794869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106010835.

The product of its digits is 182891520, while the sum is 67.

The spelling of 27456794869 in words is "twenty-seven billion, four hundred fifty-six million, seven hundred ninety-four thousand, eight hundred sixty-nine".