27731534401 has 8 divisors (see below), whose sum is σ = 28950162624. Its totient is φ = 26513982000.

The previous prime is 27731534387. The next prime is 27731534429. The reversal of 27731534401 is 10443513772.

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 27731534401 - 2³³ = 19141599809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27731534471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216046 + ... + 319591.

It is an arithmetic number, because the mean of its divisors is an integer number (3618770328).

Almost surely, 2^27731534401 is an apocalyptic number.

It is an amenable number.

27731534401 is a deficient number, since it is larger than the sum of its proper divisors (1218628223).

27731534401 is a wasteful number, since it uses less digits than its factorization.

27731534401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537911.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 27731534401 in words is "twenty-seven billion, seven hundred thirty-one million, five hundred thirty-four thousand, four hundred one".