27967536340 has 12 divisors (see below), whose sum is σ = 58731826356. Its totient is φ = 11187014528.

The previous prime is 27967536323. The next prime is 27967536347. The reversal of 27967536340 is 4363576972.

It can be written as a sum of positive squares in 2 ways, for example, as 6304995216 + 21662541124 = 79404^2 + 147182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27967536347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699188389 + ... + 699188428.

It is an arithmetic number, because the mean of its divisors is an integer number (4894318863).

Almost surely, 2^27967536340 is an apocalyptic number.

27967536340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27967536340 is an abundant number, since it is smaller than the sum of its proper divisors (30764290016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27967536340 is a wasteful number, since it uses less digits than its factorization.

27967536340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398376826 (or 1398376824 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 27967536340 in words is "twenty-seven billion, nine hundred sixty-seven million, five hundred thirty-six thousand, three hundred forty".