27398665054 has 8 divisors (see below), whose sum is σ = 41099363928. Its totient is φ = 13698877080.

The previous prime is 27398665039. The next prime is 27398665069. The reversal of 27398665054 is 45056689372.

It is an interprime number because it is at equal distance from previous prime (27398665039) and next prime (27398665069).

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

It is a junction number, because it is equal to n+sod(n) for n = 27398664986 and 27398665004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146772 + ... + 276295.

It is an arithmetic number, because the mean of its divisors is an integer number (5137420491).

Almost surely, 2^27398665054 is an apocalyptic number.

27398665054 is a deficient number, since it is larger than the sum of its proper divisors (13700698874).

27398665054 is a wasteful number, since it uses less digits than its factorization.

27398665054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455450.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 27398665054 in words is "twenty-seven billion, three hundred ninety-eight million, six hundred sixty-five thousand, fifty-four".