26788327463 has 4 divisors (see below), whose sum is σ = 26789775000. Its totient is φ = 26786879928.

The previous prime is 26788327459. The next prime is 26788327567. The reversal of 26788327463 is 36472388762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26788327463 - 2² = 26788327459 is a prime.

It is a super-2 number, since 2×26788327463² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26788327399 and 26788327408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26788327453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695645 + ... + 733142.

It is an arithmetic number, because the mean of its divisors is an integer number (6697443750).

Almost surely, 2^26788327463 is an apocalyptic number.

26788327463 is a deficient number, since it is larger than the sum of its proper divisors (1447537).

26788327463 is a wasteful number, since it uses less digits than its factorization.

26788327463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447536.

The product of its digits is 16257024, while the sum is 56.

The spelling of 26788327463 in words is "twenty-six billion, seven hundred eighty-eight million, three hundred twenty-seven thousand, four hundred sixty-three".