27438608061 has 16 divisors (see below), whose sum is σ = 40746361920. Its totient is φ = 18248947920.

The previous prime is 27438608053. The next prime is 27438608069. The reversal of 27438608061 is 16080683472.

27438608061 is a `hidden beast` number, since 2 + 7 + 4 + 38 + 608 + 0 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (27438608053) and next prime (27438608069).

It is not a de Polignac number, because 27438608061 - 2³ = 27438608053 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27438607998 and 27438608016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27438608069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195575 + ... + 1218308.

It is an arithmetic number, because the mean of its divisors is an integer number (2546647620).

Almost surely, 2^27438608061 is an apocalyptic number.

It is an amenable number.

27438608061 is a deficient number, since it is larger than the sum of its proper divisors (13307753859).

27438608061 is a wasteful number, since it uses less digits than its factorization.

27438608061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414313 (or 2414307 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 27438608061 in words is "twenty-seven billion, four hundred thirty-eight million, six hundred eight thousand, sixty-one".