27793484387 has 8 divisors (see below), whose sum is σ = 27901635840. Its totient is φ = 27685453960.

The previous prime is 27793484353. The next prime is 27793484401. The reversal of 27793484387 is 78348439772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27793484387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27793484347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444314 + ... + 502992.

It is an arithmetic number, because the mean of its divisors is an integer number (3487704480).

Almost surely, 2^27793484387 is an apocalyptic number.

27793484387 is a deficient number, since it is larger than the sum of its proper divisors (108151453).

27793484387 is a wasteful number, since it uses less digits than its factorization.

27793484387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60513.

The product of its digits is 56899584, while the sum is 62.

The spelling of 27793484387 in words is "twenty-seven billion, seven hundred ninety-three million, four hundred eighty-four thousand, three hundred eighty-seven".