27258398563 has 16 divisors (see below), whose sum is σ = 29944670976. Its totient is φ = 24607438240.

The previous prime is 27258398551. The next prime is 27258398617. The reversal of 27258398563 is 36589385272.

It is not a de Polignac number, because 27258398563 - 2¹³ = 27258390371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27258398498 and 27258398507.

It is not an unprimeable number, because it can be changed into a prime (27258399563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902220 + ... + 931942.

It is an arithmetic number, because the mean of its divisors is an integer number (1871541936).

Almost surely, 2^27258398563 is an apocalyptic number.

27258398563 is a deficient number, since it is larger than the sum of its proper divisors (2686272413).

27258398563 is a wasteful number, since it uses less digits than its factorization.

27258398563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314.

The product of its digits is 21772800, while the sum is 58.

The spelling of 27258398563 in words is "twenty-seven billion, two hundred fifty-eight million, three hundred ninety-eight thousand, five hundred sixty-three".