27240074847 has 8 divisors (see below), whose sum is σ = 40355666480. Its totient is φ = 18160049880.

The previous prime is 27240074839. The next prime is 27240074861. The reversal of 27240074847 is 74847004272.

It is not a de Polignac number, because 27240074847 - 2³ = 27240074839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240074837) 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, 504445804 + ... + 504445857.

It is an arithmetic number, because the mean of its divisors is an integer number (5044458310).

Almost surely, 2^27240074847 is an apocalyptic number.

27240074847 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27240074847 is a deficient number, since it is larger than the sum of its proper divisors (13115591633).

27240074847 is a wasteful number, since it uses less digits than its factorization.

27240074847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008891670 (or 1008891664 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The spelling of 27240074847 in words is "twenty-seven billion, two hundred forty million, seventy-four thousand, eight hundred forty-seven".