27754406812 has 24 divisors (see below), whose sum is σ = 53009413632. Its totient is φ = 12609990000.

The previous prime is 27754406789. The next prime is 27754406861. The reversal of 27754406812 is 21860445772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41068 + ... + 239155.

It is an arithmetic number, because the mean of its divisors is an integer number (2208725568).

Almost surely, 2^27754406812 is an apocalyptic number.

27754406812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27754406812 is a deficient number, since it is larger than the sum of its proper divisors (25255006820).

27754406812 is a wasteful number, since it uses less digits than its factorization.

27754406812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282489 (or 282487 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 27754406812 in words is "twenty-seven billion, seven hundred fifty-four million, four hundred six thousand, eight hundred twelve".