27854743707 has 48 divisors (see below), whose sum is σ = 47267184640. Its totient is φ = 15473042496.

The previous prime is 27854743673. The next prime is 27854743711. The reversal of 27854743707 is 70734745872.

27854743707 is a `hidden beast` number, since 27 + 8 + 547 + 4 + 3 + 70 + 7 = 666.

It is not a de Polignac number, because 27854743707 - 2¹¹ = 27854741659 is a prime.

It is a super-2 number, since 2×27854743707² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27854743727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2976678 + ... + 2986020.

Almost surely, 2^27854743707 is an apocalyptic number.

27854743707 is a deficient number, since it is larger than the sum of its proper divisors (19412440933).

27854743707 is a wasteful number, since it uses less digits than its factorization.

27854743707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 9219840, while the sum is 54.

The spelling of 27854743707 in words is "twenty-seven billion, eight hundred fifty-four million, seven hundred forty-three thousand, seven hundred seven".