27672726487 has 8 divisors (see below), whose sum is σ = 31628101536. Its totient is φ = 23717883552.

The previous prime is 27672726461. The next prime is 27672726511. The reversal of 27672726487 is 78462727672.

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 27672726487 - 2⁷ = 27672726359 is a prime.

It is a super-2 number, since 2×27672726487² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27672726287) 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, 14548 + ... + 235705.

It is an arithmetic number, because the mean of its divisors is an integer number (3953512692).

Almost surely, 2^27672726487 is an apocalyptic number.

27672726487 is a deficient number, since it is larger than the sum of its proper divisors (3955375049).

27672726487 is a wasteful number, since it uses less digits than its factorization.

27672726487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266057.

The product of its digits is 22127616, while the sum is 58.

The spelling of 27672726487 in words is "twenty-seven billion, six hundred seventy-two million, seven hundred twenty-six thousand, four hundred eighty-seven".