27672553405 has 8 divisors (see below), whose sum is σ = 37950930432. Its totient is φ = 18975465168.

The previous prime is 27672553373. The next prime is 27672553409. The reversal of 27672553405 is 50435527672.

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 27672553405 - 2⁵ = 27672553373 is a prime.

It is a super-4 number, since 4×27672553405⁴ (a number of 43 digits) contains 4444 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 (27672553409) 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, 395322157 + ... + 395322226.

It is an arithmetic number, because the mean of its divisors is an integer number (4743866304).

Almost surely, 2^27672553405 is an apocalyptic number.

It is an amenable number.

27672553405 is a deficient number, since it is larger than the sum of its proper divisors (10278377027).

27672553405 is an equidigital number, since it uses as much as digits as its factorization.

27672553405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790644395.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 27672553405 in words is "twenty-seven billion, six hundred seventy-two million, five hundred fifty-three thousand, four hundred five".