27809193484 has 6 divisors (see below), whose sum is σ = 48666088604. Its totient is φ = 13904596740.

The previous prime is 27809193479. The next prime is 27809193523. The reversal of 27809193484 is 48439190872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3476149182 + ... + 3476149189.

Almost surely, 2^27809193484 is an apocalyptic number.

It is an amenable number.

27809193484 is a deficient number, since it is larger than the sum of its proper divisors (20856895120).

27809193484 is a wasteful number, since it uses less digits than its factorization.

27809193484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952298375 (or 6952298373 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 27809193484 in words is "twenty-seven billion, eight hundred nine million, one hundred ninety-three thousand, four hundred eighty-four".