27061243631 has 8 divisors (see below), whose sum is σ = 27864089760. Its totient is φ = 26262158688.

The previous prime is 27061243609. The next prime is 27061243669. The reversal of 27061243631 is 13634216072.

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 27061243631 - 2¹⁴ = 27061227247 is a prime.

It is a super-2 number, since 2×27061243631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27061243591 and 27061243600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27061243931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925691 + ... + 954476.

It is an arithmetic number, because the mean of its divisors is an integer number (3483011220).

Almost surely, 2^27061243631 is an apocalyptic number.

27061243631 is a deficient number, since it is larger than the sum of its proper divisors (802846129).

27061243631 is a wasteful number, since it uses less digits than its factorization.

27061243631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880593.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 27061243631 in words is "twenty-seven billion, sixty-one million, two hundred forty-three thousand, six hundred thirty-one".