27485620477 has 8 divisors (see below), whose sum is σ = 31842441536. Its totient is φ = 23236375392.

The previous prime is 27485620453. The next prime is 27485620483. The reversal of 27485620477 is 77402658472.

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-27485620477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27485620777) 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, 26893443 + ... + 26894464.

It is an arithmetic number, because the mean of its divisors is an integer number (3980305192).

Almost surely, 2^27485620477 is an apocalyptic number.

It is an amenable number.

27485620477 is a deficient number, since it is larger than the sum of its proper divisors (4356821059).

27485620477 is an equidigital number, since it uses as much as digits as its factorization.

27485620477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53787987.

The product of its (nonzero) digits is 5268480, while the sum is 52.

The spelling of 27485620477 in words is "twenty-seven billion, four hundred eighty-five million, six hundred twenty thousand, four hundred seventy-seven".