27420547031 has 8 divisors (see below), whose sum is σ = 28614695424. Its totient is φ = 26226561240.

The previous prime is 27420547019. The next prime is 27420547039. The reversal of 27420547031 is 13074502472.

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 27420547031 - 2³⁴ = 10240677847 is a prime.

It is a super-2 number, since 2×27420547031² (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 = 27420546982 and 27420547000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27420547039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410726 + ... + 472796.

It is an arithmetic number, because the mean of its divisors is an integer number (3576836928).

Almost surely, 2^27420547031 is an apocalyptic number.

27420547031 is a deficient number, since it is larger than the sum of its proper divisors (1194148393).

27420547031 is a wasteful number, since it uses less digits than its factorization.

27420547031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81301.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 27420547031 in words is "twenty-seven billion, four hundred twenty million, five hundred forty-seven thousand, thirty-one".