27052473897 has 24 divisors (see below), whose sum is σ = 39933578880. Its totient is φ = 17639590560.

The previous prime is 27052473893. The next prime is 27052473901. The reversal of 27052473897 is 79837425072.

27052473897 is a `hidden beast` number, since 27 + 0 + 524 + 7 + 3 + 8 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (27052473893) and next prime (27052473901).

It is not a de Polignac number, because 27052473897 - 2² = 27052473893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27052473893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644179 + ... + 684887.

It is an arithmetic number, because the mean of its divisors is an integer number (1663899120).

Almost surely, 2^27052473897 is an apocalyptic number.

It is an amenable number.

27052473897 is a deficient number, since it is larger than the sum of its proper divisors (12881104983).

27052473897 is a wasteful number, since it uses less digits than its factorization.

27052473897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42333 (or 42330 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 27052473897 in words is "twenty-seven billion, fifty-two million, four hundred seventy-three thousand, eight hundred ninety-seven".