26926853285 has 4 divisors (see below), whose sum is σ = 32312223948. Its totient is φ = 21541482624.

The previous prime is 26926853269. The next prime is 26926853293. The reversal of 26926853285 is 58235862962.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21423884161 + 5502969124 = 146369^2 + 74182^2 .

It is a cyclic number.

It is not a de Polignac number, because 26926853285 - 2⁴ = 26926853269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26926853285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692685324 + ... + 2692685333.

It is an arithmetic number, because the mean of its divisors is an integer number (8078055987).

Almost surely, 2^26926853285 is an apocalyptic number.

It is an amenable number.

26926853285 is a deficient number, since it is larger than the sum of its proper divisors (5385370663).

26926853285 is an equidigital number, since it uses as much as digits as its factorization.

26926853285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385370662.

The product of its digits is 12441600, while the sum is 56.

The spelling of 26926853285 in words is "twenty-six billion, nine hundred twenty-six million, eight hundred fifty-three thousand, two hundred eighty-five".