26406562827 has 4 divisors (see below), whose sum is σ = 35208750440. Its totient is φ = 17604375216.

The previous prime is 26406562813. The next prime is 26406562829. The reversal of 26406562827 is 72826560462.

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

It is not a de Polignac number, because 26406562827 - 2⁴ = 26406562811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26406562829) 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, 4401093802 + ... + 4401093807.

It is an arithmetic number, because the mean of its divisors is an integer number (8802187610).

Almost surely, 2^26406562827 is an apocalyptic number.

26406562827 is a deficient number, since it is larger than the sum of its proper divisors (8802187613).

26406562827 is an equidigital number, since it uses as much as digits as its factorization.

26406562827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802187612.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 26406562827 in words is "twenty-six billion, four hundred six million, five hundred sixty-two thousand, eight hundred twenty-seven".