27961063468 has 24 divisors (see below), whose sum is σ = 53817043392. Its totient is φ = 12630528384.

The previous prime is 27961063439. The next prime is 27961063469. The reversal of 27961063468 is 86436016972.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (27961063469) 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, 5717905 + ... + 5722792.

It is an arithmetic number, because the mean of its divisors is an integer number (2242376808).

Almost surely, 2^27961063468 is an apocalyptic number.

It is an amenable number.

27961063468 is a deficient number, since it is larger than the sum of its proper divisors (25855979924).

27961063468 is a wasteful number, since it uses less digits than its factorization.

27961063468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440761 (or 11440759 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 27961063468 in words is "twenty-seven billion, nine hundred sixty-one million, sixty-three thousand, four hundred sixty-eight".