27485620478 has 8 divisors (see below), whose sum is σ = 41249590200. Its totient is φ = 13735757080.

The previous prime is 27485620453. The next prime is 27485620483. The reversal of 27485620478 is 87402658472.

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

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, 3521708 + ... + 3529503.

It is an arithmetic number, because the mean of its divisors is an integer number (5156198775).

Almost surely, 2^27485620478 is an apocalyptic number.

27485620478 is a deficient number, since it is larger than the sum of its proper divisors (13763969722).

27485620478 is a wasteful number, since it uses less digits than its factorization.

27485620478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053162.

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 27485620478 in words is "twenty-seven billion, four hundred eighty-five million, six hundred twenty thousand, four hundred seventy-eight".