27745620084 has 144 divisors (see below), whose sum is σ = 90072982272. Its totient is φ = 6999353856.

The previous prime is 27745620079. The next prime is 27745620103. The reversal of 27745620084 is 48002654772.

It is a happy number.

27745620084 is a `hidden beast` number, since 2 + 7 + 7 + 4 + 562 + 0 + 0 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108769 + ... + 259464.

Almost surely, 2^27745620084 is an apocalyptic number.

It is an amenable number.

27745620084 is an abundant number, since it is smaller than the sum of its proper divisors (62327362188).

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

27745620084 is a wasteful number, since it uses less digits than its factorization.

27745620084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368286 (or 368281 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 27745620084 in words is "twenty-seven billion, seven hundred forty-five million, six hundred twenty thousand, eighty-four".