27240074867 has 8 divisors (see below), whose sum is σ = 27826647552. Its totient is φ = 26653793800.

The previous prime is 27240074861. The next prime is 27240074887. The reversal of 27240074867 is 76847004272.

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 27240074867 - 2⁶ = 27240074803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27240074861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121442 + ... + 263112.

It is an arithmetic number, because the mean of its divisors is an integer number (3478330944).

Almost surely, 2^27240074867 is an apocalyptic number.

27240074867 is a deficient number, since it is larger than the sum of its proper divisors (586572685).

27240074867 is a wasteful number, since it uses less digits than its factorization.

27240074867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145809.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 27240074867 in words is "twenty-seven billion, two hundred forty million, seventy-four thousand, eight hundred sixty-seven".