27963925944 has 64 divisors (see below), whose sum is σ = 73970803200. Its totient is φ = 8784930816.

The previous prime is 27963925939. The next prime is 27963926027. The reversal of 27963925944 is 44952936972.

It is a super-2 number, since 2×27963925944² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70864 + ... + 246879.

It is an arithmetic number, because the mean of its divisors is an integer number (1155793800).

Almost surely, 2^27963925944 is an apocalyptic number.

27963925944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27963925944 is an abundant number, since it is smaller than the sum of its proper divisors (46006877256).

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

27963925944 is a wasteful number, since it uses less digits than its factorization.

27963925944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317964 (or 317960 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The spelling of 27963925944 in words is "twenty-seven billion, nine hundred sixty-three million, nine hundred twenty-five thousand, nine hundred forty-four".