27284420956 has 24 divisors (see below), whose sum is σ = 53656321824. Its totient is φ = 12045295680.

The previous prime is 27284420939. The next prime is 27284420959. The reversal of 27284420956 is 65902448272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27284420959) 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, 11405335 + ... + 11407726.

It is an arithmetic number, because the mean of its divisors is an integer number (2235680076).

Almost surely, 2^27284420956 is an apocalyptic number.

27284420956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27284420956 is a deficient number, since it is larger than the sum of its proper divisors (26371900868).

27284420956 is a wasteful number, since it uses less digits than its factorization.

27284420956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22813101 (or 22813099 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 27284420956 in words is "twenty-seven billion, two hundred eighty-four million, four hundred twenty thousand, nine hundred fifty-six".